Our Team

Our international team combines over 20 nationalities and brings together a plethora of skills, backgrounds, interests, and education which enables us to conquer the challenges of renewable energy sales, PPAs, and renewable energy market risks management.

image description

Jana Brankovic

Head of Employee Experiences & Operations

Jana has over 20 years of experience as an Operations & Quality Manager. Most of them she spent in the international energy and assurance field.

image description

Michael Waldner

CEO & Co-Founder of Pexapark

Michael has 20 years of experience in renewable PPAs, international energy trading, origination and portfolio management.

image description

Bohdan Lypkan

Senior Frontend Developer

Bohdan is proactive Front-End Developer with over 5 years of experience in developing, designing and optimizing of web applications.

image description

Florian Müller

CTO & Co-Founder of Pexapark

Florian loves building software and has over 15 years of experience in creating applications. He holds a PhD in Computer Science.

image description

Karolina Hartzell

Head of Quant Advisory

Karolina has over 5 years of experience in energy risk management with a focus on structured products. She holds a bachelor's in Finance and a master's in Data Analysis.

image description

Justin Owen

CFO

Justin has 20 years of Finance and Accounting experience in the Silicon Valley and Enterprise Software companies.

image description

Luca Pedretti

COO & Co-Founder of Pexapark

Luca has 15 years’ hands-on experience in energy risk management for renewables in open markets – valuating, structuring, negotiating and managing PPA transactions across Europe.

image description

Gadi Eichhorn

Co-Head of Quant Engineering

Gadi is a senior software engineer with BsC in Aerospace and over 20 years experience in enterprise software development and consulting.

image description

Sumon Vangchuay

Head of Events & Social Media

Sumon brings ten years of experience in managing expert events & knowledge platforms. She holds a PhD in International Law.

image description

Alex McGregor

Senior Analyst PPA Markets

Alex has 5 years experience in the energy industry, working across power market analysis and routes to market. Alex holds a Masters Degree in Energy & Sustainability from the University of Southampton.

image description

Polina Probylova

Senior Product Manager

Polina has experience in building and optimising early ventures and oil & gas engineering. She holds a BEng in Sustainable Energy and an MSc in Innovation, Entrepreneurship and Management.

image description

Nazar Kushnir

Senior Java Developer

Nazar is Java Senior engineer with more than 10 years of experience focused on developing server side enterprise applications.

image description

Andriy Mahats

Full Stack Engineer

Andriy brings experience in building web and server-side applications. He holds a MSc in Computer Science.

image description

Manuel Damsohn

Director - Product Innovation

Manuel has more than 10 years of experience in data analysis in the energy and heavy industry.

image description

Sandra Wycech

Product Manager - Renewables Community

Sandra has 10 years of experience working with high-growth startups in the areas of operations, community building, product, and project management.

image description

Debbi Bavin

Senior Product Marketing Manager

Debbi is a Chartered Institute of Marketing (CIM) qualified marketeer, experienced in product marketing for energy software solutions.

image description

Jonas Nihoj

Head of Portfolio and Trading Services

Jonas has more than 15 years of experience in energy trading and portfolio management. He has been structuring, valuating, negotiating, and managing the risks of long-term contracts incl. PPA’s.

image description

Alexander Radzishevsky

Head of Transaction Engineering

Alexander is a Software Engineer with several years of experience in server side, web and mobile application development.

image description

Mathieu Ville

Head of PPA Transactions

Mathieu is an experienced renewable energy investor with over €1bn financing and tens of PPAs structured and successfully executed over the past decade.

image description

Juan Coleman

UX Design Lead

Juan is a seasoned designer with over 20 years of experience in diverse roles in Asia, Africa, Europe, and the UK. He specialises in delivering innovative design solutions.

image description

Olena Ohuryayeva

Frontend Engineer

Olena brings over 5 years of practical experience in frontend development.

image description

Michal Okularczyk

Quality Engineer

Michal has a decade of experience in QA in various industries like e-commerce, financial & banking or health with focus on UI and Backend validations.

image description

Rebecca Liyanage

Sales Development Representative

Rebecca has ten years of experience in business development and entrepreneurship. She holds a PhD in Chemical Engineering from Imperial College London and has led global research focused on carbon storage and hydrology.

image description

Erik Landstrom

Regional Lead PPA Transaction - Southern Europe

Erik has 10 years of experience analyzing energy markets and advising energy investors in the US, Mexico and Sweden

image description

Zuzi Tuckwell

Head of Account Management

Zuzi spent over 11 years as a senior sales and account management executive in the energy market both in Europe and the Asia- Pacific region. Zuzi has worked with a wide range of energy, utilities, trading and infrastructure clients helping to deliver business critical pricing and market intelligence solutions.

image description

Taras Stasyuk

Team Lead - Integrations

Taras brings over 10 years of experience in server side development.

image description

David Willemsen

Head of Risk Advisory

David brings 10+ years of experience in structuring, negotiating and managing offtake agreements. He has signed numerous PPAs across Europe for large developers with both utilities and corporates.

image description

Miljan Kosanin

Senior Software Developer

Miljan has 10 years of experience in professional software development, mostly using Java. He holds a Master of Science in Computer Science

image description

Shalini Sunder

VP Human Resources

Shalini has 16+ years of experience in HR, working with diverse and multicultural teams across the globe. She strives to create a workplace where employees are happy and feel intrinsically motivated to bring their best to work every day.

image description

Jens Hollstein

VP Advisory

Jens has 20 years of experience in the energy industry. The last 5 years he worked on structuring of renewable offtake agreements and industrial supply contracts.

image description

Florent Petitfrere

VP Marketing

Florent brings over a decade of experience working in advertising. He specialises in digital marketing, SEO/SEA,  content marketing, lead generation, and analytics.

image description

Maritina Kanellakopoulou

Senior Insights Analyst and Content Manager

Maritina has 6 years’ experience in research and analysis of clean energy trends, having provided market insights on Europe’s renewables landscape to financiers, project sponsors, and advisors through B2B publications.

image description

Viktor Kolodrevskiy

Software Engineer

Viktor brings 10+ years in Java Software Engineering.

image description

Max von Hausen

PPA Transaction Manager

Max has 7 years of experience in originating, structuring and negotiating PPA transactions and in developing trading strategies in Central Europe and Mexico.

image description

Oleg Shynkar

Team Lead QA

Oleg has more than 9 years of experience in testing desktop, web and mobile applications.

image description

Xuejiao (Jo) Han

Lead Storage Quant

Xuejiao (Jo) has 5+ years experience in energy economics, markets and optimization modeling in the energy sector. She holds a PhD degree in Power Engineering from ETH Zurich.

image description

Claudia Rus

Commercial Operations Analyst

Claudia has 8 years of experience in commercial activities and customer service in big multinational companies. She holds a master's degree in Business Administration and Management.

image description

Sergii Kovalchuk

Data Engineer

Sergii has been working as a Reporting Manager for 11 years and has extensive experience in automated risk reporting.

image description

Christoph Staub

Co-Head of Quant Engineering

Christoph has over 17 years of experience in quantitative modelling in the Energy sector, including valuation of long-term contracts and renewable power generation.

image description

Alexander Arendar

Automation QA Engineer

Alexander brings 16 years of experience in QA, software development and project management, with a focus on QA automation for web applications.

image description

Rommero Carrillo

Director - Business Development

Rommero has 10 years of experience in energy markets, innovation, business development and entrepreneurship.

image description

Ann Cocquyt

Regional Lead PPA Transaction - Central Western Europe

Ann has 12 years of experience in originating structured contracts and negotiating long-term offtake agreements in Central Western Europe. She also advised corporates on how to optimise their energy risk management.

image description

Dmytro Kutetsky

DevOps Engineer

Dmytro has over 10 years of experience as a software engineer and has dedicated himself to DevOps engineering a few years back. He holds a Masters Degree in Computer Engineering.

image description

Dominique Hischier

Head of Analysis

Dominique has 7 years of experience in advancing the global energy transition in a variety of roles, including management consulting, international organisations, power trading and academia. She holds a Master's Degree in Energy Science & Technology from ETH Zurich.

image description

Maciej Szybiak

Data Analyst

Maciej is a fellow of the Excellence Scholarship & Opportunity Programme at ETH Zurich and holds a Master's degree in Energy Science and Technology.

image description

Arnaud Juhel

Head of Quantitative Benchmarks

Arnaud brings 5 years of experience from the financial software industry, with a quantitative focus on interest rates. He holds a Master's degree in in international finance from ESC Pau Business School (France).

image description

Serhii Bezus

Data Analyst

Serhii has more than 3 years of experience in data analysis and developing on a Microsoft Power platform.

image description

Coni Meili

Polling & PPA Market Data Specialist

Coni is holding a Master's Degree in Business Innovation and Managing Climate Solutions from the University of St. Gallen (HSG) and has prior experience in venture capital in the energy space.

image description

Eva Nikova

Digital Marketing Specialist

Eva is a digital marketing expert with experience in creating and executing digital marketing strategies on performance and branding for different businesses in various industries.

image description

Mark Commerford

Team Lead Data Services

Mark has more than 7 years in the data analysis and project management relating to renewable assets, forecasting and portfolio optimization.

image description

John Dallimore

Head of Corporate PPA

John has over 14 years of experience in the energy industry with extensive utility industry knowledge covering renewable energy PPAs, energy markets, and associated regulations and risk.

image description

Tom Forrest

Senior Account Executive

Tom has over 15 years of global experience in both trading, consulting and business development roles at software vendors and a utility. He holds an honours degree in Commerce & Information Systems.

image description

Natalija Ljubic

Advisory Associate

Natalija holds a Master's degree in Energy Science & Technology from EPF Lausanne with a specialization in energy system modeling and optimization.

image description

Tom Salley

Manager - SDR Team

Tom has 5 years of experience in the energy sector as an engineer at first and then in business development roles. He holds a European Master in Renewable Energy from Mines Paristech.

image description

Hubert Raich

Team Lead - Quote in Engineering

Hubert has 7 years of experience in backend java development as well as web frontends and mobile apps in public and private sector projects including energy, health, banking, and government.

image description

Carlotta Carboni

Senior Account Executive

Carlotta brings nearly 10 years of experience in enterprise tech solutions for Capital Markets. Her expertise includes business development in the areas of risk and data management as well as calculations and analytics for the OTC derivatives market.

image description

Soloman Azizi

Frontend Engineer

Soloman brings 6+ years of software development experience, with the last 4 years specialising in UI development. He holds a Bachelors in Mechanical Engineering.

image description

Rostyslav Yanevych

Senior Frontend Developer

Rostyslav brings over 20 years of experience in software development of different desktop applications on Assembler, Pascal, Fortran, Delphi, Ruby on Rails, jQuery backbone.js and Angular.

image description

Brian Knowles

Director of Storage & Flexibility

Brian has over 10 years of experience developing and financing energy storage projects participating in wholesale energy, ancillary services, and capacity markets.

image description

Cédric-James Piaget

Head of Quant Risk

Cédric has 7 years of combined experience working in financial risk management and in data analysis relating to renewable assets. He holds a bachelor's in Mathematics and master's in Quantitative Finance.

image description

Conor Costello

Account Executive

Conor has a background in Software Sales and holds an honours degree in Business Management with a focus on Entrepreneurship.

image description

Sophie Brown

Data Analyst

Sophie has over 4 years of experience in project management and data analysis.
She has a double degree in Economics and International Management (CEMS MIM) from St. Gallen University.

image description

Boon-Li Wong

Originator

Boon has over 14 years of experience in energy trading and risk management from diverse roles in multinational trading companies. Boon holds a MSc in Mechanical Engineering and a MSc in Business Administration.

image description

Fruzsina Kovács

Senior Accounting Manager

Fruzsina has 7 years of Finance and Accounting experience. She started her career as an auditor, then joined the controlling team of an international energy trading company.

image description

Bruno Lichot

Platform & Integrations Product Manager

Bruno spent more than 20 years in product management and innovation, helping enterprises to create a customer-centric products. He is a computer scientist with specialization in software engineering.

image description

Jorge Seabra

PPA Originator Associate

Jorge has 6 years of consultancy experience in energy industry advising multinational corporates in their electricity & gas contracts' negotiation and purchase strategies across Europe.

image description

Louis Gallois

Account Executive

Louis has 10+ years of experience in Business Development & Project Management in the Energy Sector.

image description

Antonia Kilavuz

Account Executive

Antonia is an energy economist with 3+ years of experience working in wholesale electricity market advisory and business development. Prior to joining Pexapark she worked at Aurora Energy Research as a Senior Associate and Cluster Manager of the Central Europe Commercial team and Pricewaterhouse Coopers in public sector consulting focussed on energy topics.

image description

Abhishek Jain

VP Product

Abhishek brings over a decade of experience in product management across cleantech and fintech. He spent the last 6 years building data products to help accelerate the energy transition. Abhishek holds a Masters in Finance from London Business School.

image description

Jakub Badecki

Full Stack Engineer

Jakub has 7 years of experience in backend java development as well as web frontends in telecommunication, retail and healthcare industries.

image description

Dietrich Korb

Account Manager

Dietrich has 8 years of experience in business development for renewable energy and tech companies in LATAM and Spain.

image description

Richard Bodles

Lead Recruitment Specialist

Richard comes with 8 years of experience in recruiting. His experience includes working in several boutique agencies across Belfast and London. Upon moving into the internal recruitment space, Richard has nurtured key relationships with stakeholders at all levels and managed successful teams within world-class businesses such as Microsoft, Personio and Deliveroo.

image description

Emma Romei

Quant Advisor

Emma holds a Master’s Degree in Energy Science and Technology from ETH Zurich, with a focus on power markets and energy system optimization. She has prior experience in the gas power industry.

image description

Alexander Fels

Senior PPA Originator Manager

Alexander has 11 years of experience in wholesale commodity products, renewable energy and supplying power to industrials in Germany. He holds a master’s in energy economics.

image description

Sam Dekker

Quantitative Developer

Sam has 3+ years' experience in software development and quantitative analysis in the energy industry, and 7 years' experience as project leader and researcher in the aerospace sector. He holds a PhD in Aerospace Engineering from TU Delft.

image description

Ademola Adebayo

Senior PPA Transaction Associate

Ademola has over 6 years of experience providing technical advisory and consulting services on the development, financing, construction and operation of power generating assets (thermal and renewable).

image description

Tiranth Amarasinghe

Product Marketing Manager

Tiranth is a Product and Brand Marketer and brings experience from Fintech, Consulting, Energy, and the Creative industry. He holds a MBA from Manchester Business School.

image description

Antoine Drolez

Risk Advisory Manager

Antoine has 6 years of experience in energy markets and risk management from procurement and consulting roles. He holds a Master’s Degree in Finance from University Paris Dauphine.

image description

Judith Guimerá

Junior Event Coordinator

Judith is a young professional with experience in Community Operations. She holds a Master's degree in Product Development.

image description

Jack Rankin

Regional Lead PPA Transaction - GB & Ireland

Jack has 8 years’ experience in the energy industry, predominantly focussed on off-take agreement in the GB market. He joined Pexapark in 2022 and advises on PPA transactions across Europe.

image description

William Cabrera

Chief Strategy Officer (CSO)

William brings exciting international experience in startup and corporate leadership positions in SaaS, Technology, Strategy and Operations, working both in the Americas and in Europe for companies like McKinsey & Co, BrightEdge, Security Research Labs, Philips, Havas Media, Swisscom and others.

image description

Jacob Roberts

Partnerships Manager

Jacob has 4+ years’ experience in the energy markets, working with a range of energy, utilities, trading and infrastructure clients to deliver critical pricing and market analysis to support their energy transition strategy.

image description

Raffaella Spirito

Sales Development Representative

Raffaella holds a Master in Marketing and Sales Management with focus on business development and one year and a half experience in Customer success in the translation industry

image description

Itamar Orlandi

Senior Risk Advisory Manager

Itamar has 12 years experience in the energy finance sector, with extensive knowledge in launching and managing investment vehicles and analysing energy commodity markets.

image description

Miguel Valderrama

Senior PPA Transactions Associate

Miguel has 7+ years of experience in the energy industry covering buy and sell-side PPA transactions, business development, and regulatory advisory. He holds a Law degree from Universidad del Pacifico (Peru) and an MBA from the University of Cambridge (UK).

image description

Stefan Zivkovic

Accounts Receivable & Operations Specialist

Stefan has an entrepreneurial spirit and has experience in the Finance/Accounts Receivable area. He is currently completing his studies at the FHNW in his final year.

image description

Isabelle Glotman

PPA Transaction Associate

Isabelle holds a Master’s degree in Sustainable Energy Future’s from Imperial College London providing her with a grounding in the major features of sustainable energy technologies and their interaction with economics, the environment and policy.

image description

Alex Skoryi

Software Engineer

Oleksandr is a backend engineer with 10 years of experience, he holds 2 master’s degrees in CS and Mechatronics. His main programming language is Java.

image description

Loren-Lee Koliadis

Director - DaaS Sales

Loren has over 10 years of experience in software sales leadership and account management. She is experienced in building and scaling high performance sales teams. Loren holds a bachelor’s degree in finance and is a certified coach.

image description

Raphael Zanoni

Senior FP&A Manager

Raphael has 7 years of all-round experience in finance with a strong focus on financial modelling. He holds a master’s degree in advanced finance and passed all CFA & ACCA exams.

image description

Maria Ubago

PPA Transaction Manager

María has more than 10 years of experience in in the energy sector. She has an extended experience as consultant, and she studied physics.

image description

Malte Hachmeister

Originator

Malte brings several years of experience from sales to large utilities and holds a Masters degree in Business Administration.

image description

Reda El Ouargua

Quality Assurance Engineer

Reda is working as QA software engineer for almost 20 years, worked on scale project as well as small ones. He has huge experience in performance, manual and automation testing.

image description

Stacey Fagan

Lead Recruiting Specialist

Stacey comes with 12 years of experience in recruitment specialising in Go-to-market strategies. She’s had the opportunity to work both in agency and in-house settings gaining a deep understanding of the recruitment process from different prospectives. Stacey has worked with a diverse range of clients, ranging from startups to rapidly growing scale-ups, as well as established enterprises.

image description

Aaron Bery

Frontend Software Engineer

Aaron has over a decade of experience in software development. He holds a bachelor’s degree in Engineering from the University of Leeds.

image description

Rebecca Love

Sales Enablement Lead

Rebecca has more than 7 years experience in sales enablement, committed to driving efficiency and effectiveness of commercial teams by connecting people, technology, and strategy.

image description

Sai Anand

Senior Quant

Sai has 11+ years of quantitative analysis experience in the energy/commodity trading business, covering topics ranging from pricing/valuing of structured products (Power & Gas) to production portfolio optimization of thermal and hydro power plants.

image description

Elliot Lewis

Frontend Engineer

Elliot is a front end developer with over 7 years experience working with Angular.

image description

Ivan Curtis

Sales Development Representative

Ivan has 4 years experience in B2B sales and a Bachelors degree in Business Management & Entrepreneurship with a strong focus on Business Development.

image description

Marco Hafid

Intern - PPA Transaction

Marco is currently in his final year of Masters of Quantitative Finance degree at HSG, with prior internship experience in the banking sector.

Advisory Council

image description

Christian Schaffner

Executive Director, Energy Science Center (ESC) ETH Zürich

Christian has been working in the energy field for over 20 years. His experience covers startups, policy making and science.

image description

Walter Steinmann

Senior Advisor at Energy Infrastructure Partners

Walter is the former director of the Swiss Federal Office of Energy (SFOE) and was member of the Governing Board of IEA (Paris) and IAEA (Vienna).

image description

Pol Budmiger

Entrepreneur / Startup Coach

Pol has 25 years of experience as entrepreneur in IT, engineering and cleantech and supports young companies as a coach.

image description

Harald von Heyden

Partner of Arctic Securities

Harald has 20+ years experience from the power/renewables industry, having worked mainly within trading, origination, asset development, m&a and venture. He holds an BSc in Management Science from Warwick Business school and an MPhil in management from Cambridge University.

image description

Christian Hürlimann

Renewables CEO, MET Group

Christian has 15+ years of experience in field of renewables and energy, including M&A, asset management and origination.

image description

Kevin Heffron

Fintech Founder, Investor, Advisor and Business Developer

Kevin is the former President of Trayport Limited. He has over 40 years of experience in commodity, financial and derivative markets finance, trading, structuring and software platform management.

image description

Daniel Mischler

Chief Digital Officer

Daniel is a former global CIO, regional CEO and experienced investor in startups with successful exits. He maintains a global network to peers.

image description

Sascha Bibert

Senior Advisor & CFO

Sascha Bibert is Chief Financial Officer at Vallourec. He is a former CFO of multi-billion Euro energy companies, experienced in the energy transition and fueling growth via debt and equity capital. He started his career 22 years ago as an equity analyst and fund manager and is a CFA and CCrA charterholder.

image description

Caroline Lytton

Managing Director, SMBC Bank International plc

Caroline has more than 20 years’ experience in project finance, including 15+ years across all stages of the energy and power value chains.