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Sahir Surmeli

Member / Co-chair, Energy & Sustainability Practice

[email protected]



Sa is a highly skilled and versatile business counselor who advises companies, boards, entrepreneurs, investment banks and venture and private equity investors, as they build and grow companies. He handles public offerings, 144A and private financings, acquisitions, joint ventures and strategic partnerships. Sa guides public and private companies and investors, primarily in the energy and sustainability, technology, materials science, hospitality, retail and life sciences industries. Known as a problem-solver, Sa executes transactions with creative structures to address new opportunities in finance and development of new markets by clients in partnership with global corporations. He also helps entrepreneurs secure financing, commercial agreements and partnerships.

Sahir represents emerging growth and established energy technology, information technology, life sciences and retail companies, investors and investment banks in public offerings, 144A offerings and other private financings, mergers & acquisitions, joint ventures and strategic partnerships. Sa is listed among the Top 100 Cleantech & Renewables Lawyers by Euromoney’s LMG Cleantech & Renewable Energy. He was also named a Massachusetts Super Lawyer in 2014, 2015, 2016 and 2017.

Sa is a senior member of the firm’s Securities Practice Group and Technology Practice Group and serves as Co-chair of the firm's Energy & Sustainability Practice. The firm’s Energy & Sustainability Practice has completed more than 500 transactions across energy sectors totaling over $7.5 billion since 2006. Serving more than 250 clients, spanning the ecosystem from emerging companies to large corporations, venture capital and private equity funds, investment banks, project developers, and family offices, the firm is recognized nationally as a leading law firm in the space.

Sa has worked on a wide variety of capital-raising projects, including equity, debt, syndicated loan, strategic investment and structured finance offerings, with aggregate proceeds of more than $10.6 billion. He has extensive experience in corporate finance and securities law as well as mergers and acquisitions. Sa represents issuers, underwriters, initial purchasers, and placement agents in public and private equity offerings, debt offerings (particularly high-yield, but also investment grade), bank financings, leveraged buyouts, securitizations, and related transactions as well as private equity funds in leveraged buyouts. He is also a key contributor to MintzEdge, an online resource for entrepreneurs that includes useful tools and information for starting and growing a company.

Sa has an MBA in corporate finance and focuses on adding value in complex financing structures and helping younger companies navigate the challenges of the public and private markets. He handles projects in a broad range of sectors, including energy and clean technology, information technology, telecommunications, materials technology, biotech, aerospace, semiconductor, retail and hospitality. He also has extensive international experience — he previously practiced in New York, Tokyo, and Hong Kong and now works from the Boston office of Mintz. He has represented clients in the United States, Australia, Canada, China, France, Germany, Japan, Korea, the Netherlands, Turkey, the United Kingdom, and elsewhere.


  • University of Chicago (MBA)
  • University of Chicago (JD)
  • Johns Hopkins University (BA)


  • Represented NYSE-listed Aspen Aerogels in its strategic partnership with BASF.
  • Represented Spring Lane Capital in its investment in Aries Clean Energy.
  • Represented Edenred North America, a subsidiary of Euronext-listed Edenred SA, in establishing NutriSavings joint venture.
  • Represented Nasdaq-Listed The ONE Group Hospitality in its proposed acquisitions to purchase additional restaurant brands.
  • Represented NBD Nanotechnologies in joint development agreements and Series A and Series B financings.
  • Represented industrial wastewater treatment and desalination provider Gradiant Corporation in establishing a standalone oilfield services company with Turnbridge Capital.
  • Represented WAVE Equity Partners in its investments in American Aerogel, Lionano, Heatworks, and Intellihot.
  • Represented GreatPoint Energy in its $1.25 billion financing and joint venture with China-based Wanxiang Holdings; selected as Greentech Media’s Deal of the Year.
  • Represented Aspen Aerogels in its $82.5 million IPO on the NYSE.
  • Represented EnerNOC, Inc. in its IPO and follow-on offerings ($97 million, $108 million, and $97 million, respectively)
  • Represented the underwriters in the IPO of Ameresco on the NYSE.
  • Served as counsel to Canaccord Genuity and Barclays in follow-on public offering of BioAmber.
  • Represented Nasdaq-listed The ONE Group Hospitality in rights offering, registered direct offering, and debt financings.
  • Represented significant minority holder in global retail business.
  • Advised ACE Surgical Supply in its strategic arrangements with NYSE-listed Henry Schein.
  • Represented underwriters in the IPO of Dicerna Pharmaceuticals.
  • Served as counsel to Canaccord Genuity in $32.5 and $37.4 million follow-on public offerings for Rubicon Technology.
  • Represented e-commerce platform Blueport Commerce in financing and partnership matters.
  • Represented Canaccord in Televent GIT, S.A. follow-on public offerings ($66 million and $115 million, respectively).
  • Represented data analytics company Resilient Ops in its Seed Financing.
  • Represented ChyronHego in its acquisition of Dutch broadcast software solutions provider VidiGo.
  • Represented FalconAI in its formation and Seed Financing.
  • Represented underwriters in 144A offering by a casino company.
  • Represented C&S Wholesale Grocers in its 144A offering of $400 million senior secured notes.
  • Represented underwriters in private placements by US national retail chain.

Recognition & Awards

  • The Social Shake-Up: Movers and Shakers Award (2018)
  • JD Supra: Top Author, Reader’s Choice Awards – Energy, Defense & Space, and Construction (2017)
  • Euromoney’s LMG Cleantech & Renewable Energy: Top 100 Lawyers in CleanTech
  • Euromoney’s LMG Cleantech & Renewable Energy: Top 10 Clean Technology and Renewables Law Firm
  • Watershed Capital Group: #2 US Clean Technology law firm
  • Wunder Capital: 100 People Shaping Cleantech on Twitter (2015)
  • Included on the Massachusetts Super Lawyers list: Securities & Corporate Finance; Energy & Resources (2014 – 2018)
  • Greater Boston Chamber of Commerce: Boston's Future Leaders (2008)


  • Member, Innovation Task Force of the Northeast Clean Energy Council
  • Member, MIT Energy Club
  • Judge, Cleantech Open Northeast Regional Finals (2012, 2013, 2014, 2015, 2016)
  • Judge and Mentor Committee member, Ignite Clean Energy: MIT Enterprise Forum Business Plan Competition (2007, 2008, 2009)

Recent Insights

News & Press


Read the latest energy policy updates coming out of the Capitol, including information on House and Senate energy agendas for 2019.
Read the latest round of M&A activity in the energy and sustainability space.
This month, we are pleased to feature Mission Secure, Inc., a company that provides unprecedented control system cybersecurity visibility and protection of physical assets and the control systems that monitor and operate those assets. Mission Secure’s control system cybersecurity assessment and secure design services and cyber protection solutions are utilized across defense, energy, transportation, and other critical infrastructure industries.
This edition highlights cybersecurity company Mission Secure, transportation in Massachusetts, the energy agenda in the 116th US Congress, recent energy industry M&A activity, and upcoming energy events.
Don’t miss this month’s exciting events, including the CleanTech Open Global Forum, where finalists from CleanTech Open’s six US regions pitch to win the CleanTech Open Grand Prize, and NECEC’s Emerging Trends Series: Visions for a Clean Energy Economy.

Electric Vehicle Tipping Point

January 7, 2019| Blog

For the first time ever, electric vehicle (EV) sales growth is surpassing internal combustion engine (ICE) vehicle sales growth in China.
Read the latest energy policy updates coming out of the Capitol, including updates on congressional leadership for the 116th Congress and the introduction of legislation on carbon pricing.
Our December newsletter brings you energy industry insights, including a look at the implications of the upcoming change in leadership in the House Committee on Energy & Commerce.
See a curated listing of upcoming energy events.

News & Press

JD Supra has recognized Mintz in its 2017 Reader’s Choice awards, highlighting the most widely read authors and articles over the past year. Eleven Mintz attorneys were named JD Supra Top Authors in four industries and Mintz was recognized as the Top Firm with readers in the Energy Industry.
Fifty-three Mintz attorneys have been named Massachusetts Super Lawyers for 2016 and thirty-one have been named Massachusetts Rising Stars. The findings will be published in the November 2016 issue of Boston Magazine and in a stand-alone magazine, New England Super Lawyers. 
Thomas R. Burton III and Sahir Surmeli, Co-Chairs of the Energy Technology Practice at Mintz, will serve on a panel of judges at the 2016 Cleantech Open Northeast Regional Finals. Mr. Burton and Mr. Surmeli will join a panel of six judges.