About us


Guided by key principles

Doing the right thing

Solution Driven

Growth mindset



Owners Mentality

Empowered teams

World Decarbonization

Successfully driving change

Nexwell, launched in 2019, is the third investment company started by the Sonnedix co-founders, including one of the largest independent solar PV developers in Spain. Nexwell’s founding partners have amassed over 200 solar projects over the course of the last 15 years, all of which continue to displace CO2 by generating clean electrons to meet the ever-increasing consumer demand.

Over 100 years of cumulative industry experience across more than $20 billions of real assets, with an unparalleled track record of execution and value creation

Team of 60+ professionals between Miami, Madrid and London

Full suite of in-house leadership, development, M&A, financing and operating capabilities

Ability to exploit unique understanding of the energy industry based on full power sector experience and global execution track record

Core team has worked together for 15+ years, making for a well-oiled operation

Team history

  • Nexwell partners with Urban Solar and enters the US solar market
  • Iberia Solar 1 project delivers electrons to the grid
  • Iberia Solar 2 project reaches RTB, secures financing and starts construction
  • CarbonCause exploration permit granted
  • Series A investment in Noya
  • Iberia Solar 1 project reaches RTB, secures financing and starts construction
  • Roadrunner I 619MW portfolio is sold to CTG
  • Manzanares project achieves COD
  • Posadas project achieves COD
  • Manzanares project closes financing and begins delivering electricity
  • IS1 project acquired from Ibox Energy
  • Nexwell Power is capitalized and secures initial portfolio
  • Nexwell Power acquires Posadas and Manzanares projects from Ibox Energy
  • Posadas project closes financing and starts construction
  • Manzanares project reaches RTB
  • Nexwell co-founded by Pablo Pulido, Andreas Mustad and Brett King
  • Nexwell acquires Spanish development pipeline from Sonnedix
  • Core team on boarded
  • Posadas project reaches RTB status
  • Ibexia Development funded
  • Nexwell founders negotiate exit from Sonnedix
  • Core team identified
  • IBOX JV formed with Cox Energy
  • Institutional investors advised by JP Morgan Asset Management acquire majority of Sonnedix
  • IIF, a fund advised by JP Morgan Asset Management, acquires 50% of Sonnedix
  • Andreas Mustad and Pablo Pulido co-founded Sonnedix

Meet the team

Executive board and committee members:

We have a world-class team of experienced professionals with a broad range of experience, ranging from startups to multibillion-dollar institutional platforms. Our industry experience spans the power sector, structures and corporate finance, legal, real estate and beyond.

Pablo Pulido
Co-Founder & Managing Director
Pablo Pulido

As a co-founder and MD of Nexwell, Pablo is responsible for strategy and raising capital. He is also responsible for sourcing, acquiring, and partnering to scale the company, and serves as Chairman at Nexwell Power. Pablo has a Bachelor’s Degree in Civil and Environmental Engineering from Cornell University.

Andreas Mustad
Co-Founder & Managing Director
Andreas Mustad

As co-founder and MD of Nexwell, Andreas is responsible for the day to day growth and execution at Nexwell and is the CEO of Nexwell Power. Andreas has a Bachelor’s degree in Civil and Environmental Engineering from Cornell University.

Brett W. King
Co-Founder & Chief Legal Officer
Brett W. King

As co-founder and Chief Legal Officer of Nexwell, Brett is responsible for all legal issues relating to financing, acquisitions and divestitures and operations. Brett has an MBA from Kellogg, a law degree from Northwestern University and a PhD from the University of Chicago.

Steven Greenberg
Partner and Chief Strategy Officer
Steven Greenberg

Steve began his career as a power developer from 1989-1995, then spent 20+ years as an institutional investor, generating IRRs of 60+% and closing over $5 billion of transactions. He has a law degree from Stanford, an MBA from Cornell University, and a Bachelor of Science with distinction from Cornell University’s College of Engineering.

Charlie Williams
Director and Chair of Risk, Audit, and HR Committee
Charlie Williams

Charlie is responsible for supporting governance and the growth of new initiatives at Nexwell. Prior to Nexwell, he led the global project finance team at Sonnedix that raised over $2.5 billion in non-recourse solar PV project debt on 5 continents. Past experience includes CFO roles for high growth international power producer and renewable energy technology companies based in Hong Kong, London and the USA. He holds an MSc (Energy Policy) from Imperial College London and an MBA from Western Michigan University.

Dmitri Tsvetkov
CFO and Chair of Budget and Finance Committee
Dmitri Tsvetkov

As Chief Finance Officer of Nexwell, Dmitri is responsible for the strategic and tactical operation of Nexwell Group’s global finance departments.  A tenured CFO of operational and AIM London Stock Exchange and Toronto Stock Exchange listed energy transition, power generation and energy sector companies, Dmitri leads capital intensive projects in highly volatile environments. A Chartered and Certified Accountant, Dmitri holds an MBA from the University of Chicago Booth School of Business.

Sandra Fontaine Moya
Investment Officer
Sandra Fontaine Moya

Sandra joined Nexwell as Head of Investments. Earlier in her career, Sandra spent over 10 years in the Financial Services industry, notably at Lehman Brothers and Morgan Stanley. Sandra holds an MBA from The Wharton School at the University of Pennsylvania and is a CFA Charterholder.

Michelle Murtagh
Global Head of Human Resources
Michelle Murtagh

As Global Head of Human Resources, Michelle provides portfolio wide people strategy and agenda support to Nexwell and its Company CEO’s. An established HR practitioner, Michelle specialises in developing organisational and systemic capability in scaling renewable companies. An Associate Fellow of the British Psychological Society (AFBPsP), Michelle holds an MSc from Queen’s University Belfast and a PhD in Occupational and Business Psychology from Kingston University, London.

Philip Goodhall
Head of FP&A
Philip Goodhall

As Head of FP&A, Philip is responsiblefor cashflows, financial planning, forecasting, and the provision of financial support to Nexwell and its investors. He is a Certified Accountant with over 15 years’ experience across multiple industries having previously worked at Lloyd’s Register and Travelex. Philip holds a BA in Accounting with Economics from The University of Essex.

Thomas Koenig
Senior Analyst and CFA
Thomas Koenig

Thomas is a senior financial analyst at Nexwell. Thomas holds a Master of Science in Computer Science from the University of Pennsylvania, a Master of Arts in Mathematics from Columbia University, a Bachelor of Arts from Sciences Po Paris and is a CFA Charterholder.

Miguel Fernández
GroupFinancial Controller
Miguel Fernández

As Group Financial Controller, Miguel is responsible for overseeing financial reporting and compliance. He previously spent 15 years as a controller at Thomson Reuters and Travelex. A Fellow Chartered and Certified Accountant, Miguel holds a MSc in Professional Accountancy from the University of London and is a GRI Certified Sustainability Professional.

Heidi Stenmark
Heidi Stenmark

Heidi is a financial analyst at Nexwell. She previously served as an analyst at Celebrity Cruises and Pareto Securities. Heidi has a Master’s in Finance and Strategic Management from Copenhagen Business School and a Bachelor of Science from the Norwegian School of Economics.

Jake Lupoli
Group Accountant
Jake Lupoli

As Group Accountant, Jake is responsible for financial reporting, loan and project finance compliance, and IFRS technical accounting at Nexwell. He is a Chartered Accountant with the ICAEW, previously served as an audit Senior Associate at PwC LLP and holds both a BSc and Master in Physics from the University of Leeds.

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