Susan H. Mac Cormac - Morrison & Foerster LLP

Susan H. Mac Cormac

Listed in Best Lawyers since 2011

Susan Mac Cormac is a partner in the Corporate Department of Morrison & Foerster’s San Francisco office. She serves as co-chair of the Clean Technology and Renewable Energy Group and the Private Equity and Venture Investment Practice.

Ms. Mac Cormac has extensive experience representing startup to late-stage private companies primarily in the clean technology, renewable energy and sustainable space. She provides corporate and finance advice in connection with equity and debt financings, mergers, acquisitions, asset purchases and sales, reorganizations, and joint ventures. She regularly advises boards of private and public companies, special committees, and CEOs on corporate governance as it relates to sustainability and Corporate Social Responsibility (CSR) issues and has joined the faculty (teaching on issues of sustainability and corporate governance) at both the Stanford Director’s College and the Northwestern Corporate Counsel Institute. In addition to her representation of nonprofit corporations involved with Sustainability and CSR, providing advice to their boards on fiduciary issues, conflicts of interest, and other corporate matters, she has deep experience and expertise in structure for nonprofit/for-profit “Hybrids” and new corporate forms.

Ms. Mac Cormac’s representative clean technology and sustainable clients include Arcadia, Boxer Industries,, CH4 Biogas, ClimateEarth, Deep Water Desal, Drip Drop, driptech, EDF Renewable Energy, Frontier Renewables, LightSail, MADA Power, OneSun, Planet Labs and Revolution Foods. Her representative sustainable and social enterprise company clients include Digital Divide Data, Keplers 2020, Rising Sun Energy, Windowfarms and Year Up. Her nonprofit clients include Business for Social Responsibility, Goodwill, The Nature Conservancy, Pacific Forest and Watershed Lands Stewardship Council, SASB and Rising Sun Energy. Her impact investor and venture fund clients include Buchanan Investments, Capricorn/Virgo, Brightpath Capital Partners, Eagle Cliff Partners, Kleiner Perkins, New Island Capital, Omidyar Network, Pacific Community Ventures, RSF Social Finance and OPIC.

After working in New York for three years, Ms. Mac Cormac joined the firm as an associate in 1997 and became a partner in 2001. Ms. Mac Cormac was born in Davidson, North Carolina, and graduated in 1988 from Williams College with a degree in Political Economy. She received her J.D. and LL.M. degrees from Duke University School of Law in 1993. Ms. Mac Cormac lives in the Presidio National Park with her husband and three young boys (Eddie, Alex, and Matthew).

Ms. Mac Cormac was named by California Lawyer as one of the 2012 California Lawyers of the Year for her effective legislative change in California as co-chair of the Working Group for the Flexible Purpose Corporation. She was recognized by the Daily Journal on several Top Lawyers in California lists including Top 100 Lawyers (2012), Top Female Lawyers (2011 and 2012), and Top 25 Clean Tech Lawyers (2011). Ms. Mac Cormac was selected by her peers for Best Lawyers in America 2011-2014 and was named Best Lawyers’ 2014 San Francisco Energy Law “Lawyer of the Year.” She was also recognized by clients in Legal 500 United States 2009-2012 for her expertise working with venture capitalists and emerging companies. Clients say that “you cannot get a better corporate counsel,” and that Ms. Mac Cormac “‘understands the big picture, could not be more responsive and understands the business.” She is on the Board of Directors of the Sustainability Accounting Standards Board (SASB) and the Biomimicry Institute. She is admitted to practice in both California and New York.

Williams CollegeBA Duke University School of Law J.D. Duke University School of LawLL.M

Client Comments

"Susan Mac Cormac has the uncanny ability to quickly dive deep into the matter at hand, find and review solutions, and explain the recommended course of action with steps to resolution. Suz is very bright, very easy to work with, and a true partner you want on your team. Awesome!"

-Bob Cart
Raygen Resources

Office Location

425 Market Street
San Francisco, CA 94105-2482
United States

Lawyer of the Year Awards

2014 Lawyer of the Year in Energy Law of the San Francisco Metro Area
Susan H. Mac Cormac has earned a Lawyer of the Year award for 2014!

Practice Areas

Energy Law