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Our Team

 
Peter Grubstein

Peter Grubstein

Managing Director & Founder

 

Peter is the founder and Managing Member of NGEN Partners, LLC. Peter invests in sustainable businesses with innovative solutions to impact the world’s biggest problems. His passion for the environment and improved utilization of natural and material resources has taken him from operating traditional manufacturing companies to technology and ultimately to found NGEN in 2001. Peter has over 30 years of experience as an entrepreneur, operating executive, and growth equity investor. He has grown the firm from one of the earliest to invest in sustainable technologies, to a firm with three funds with over $500 million under management. NGEN invests in consumer-facing brands and services that span various sectors, from personal care to energy efficiency products and innovative agricultural solutions: all with the goal of changing consumer behavior to improve consumer and environmental health.

Prior to NGEN, Peter made diverse private investments, ranging from leveraged buyouts and leveraged recapitalizations to early venture investments in materials science enterprises. Peter has had successful investment exits in a variety of companies in the manufacturing and retail sectors. He gained early career experience as an executive in a global manufacturing family business, working in Germany as well as the United States.

Peter is currently a member of the Board of Directors of Enzymedica and BrightFarms and is an observer on the Boards of Encycle, Soraa and Renew Financial, . He was chosen as a 2012 Power Player in Greentech by AlwaysOn.

Peter is a graduate of Yale University and the Phillips Exeter Academy. He is an avid outdoorsman and former Division 1 oarsman, and in his next life aspires to be an Olympian in at least two sports. He is passionate about making the world a better place and is on the advisory board of the Livingston Ripley Waterfowl Conservancy, focused on educating children on the importance of the environment. Not surprisingly, he spends all his free time with his wife and four children.

 

 

Associated Companies

Rosemary Ripley

Rosemary Ripley

Managing Director

 

Rosemary L. Ripley is a Managing Director of NGEN. Rosemary works at the intersection of healthy living and sustainability, investing in innovative, growth companies with improved solutions for consumers and enterprises. She currently sits on the boards of Bare Snacks, Zevia, Hyla Mobile, and Nlyte Software and is an observer on the boards of Enzymedica. Rosemary also led an investment in Revolution Foods.

Rosemary has worked with companies in consumer packaged goods, branding and technology as well as in strategic planning, acquisitions and public and private market transactions. Responsible for Corporate Business Development worldwide at Altria Group from 1990-2005, Rosemary helped spearhead and execute numerous expansionary growth plans for Kraft Foods. She led teams that invested heavily in Central and Eastern Europe, Latin America and Asia and transformed Kraft Foods with the $19 billion acquisition of Nabisco and subsequent $8.5 billion initial public offering. Rosemary also initiated and helped develop the strategy and led the transformation of Miller Brewing Company from a domestic business to part of an international enterprise with the merger with South African Breweries.

Prior to joining Altria, Rosemary was a Managing Director at Furman Selz, responsible for the Retail and Consumer Group, and prior to that was a senior investment banker at L.F. Rothschild, Unterberg, Towbin where she financed numerous small and mid-size technology companies and made venture investments. 

Rosemary co-founded Circle Financial Group, a multi-family office oriented towards the financial needs of women, sits on the Advisory Board of the Yale Center for Business and the Environment and Chairs the Board of the Livingston Ripley Waterfowl Conservancy. She is also a member of the Economic Club of New York.  Ms. Ripley received both her BA, cum laude, and MBA at Yale University. In addition to working with creative entrepreneurs, Rosemary is passionate about biodiversity, advancing opportunities for women, riding and spending time with her husband and four children.

 

 

Associated Companies

Shay Murphy

Partner

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Shay Murphy is a Partner at NGEN Partners, LLC. He is involved with the sourcing, evaluation, and monitoring of NGEN’s potential and current investments in sustainable food and energy efficiency businesses. Shay sits on the Board of Encycle and is an observer at Native Foods and BrightFarms.

Prior to attending business school, Shay worked at DG Energy Partners, a solar energy finance-consulting firm. He focused on project development and valuation. He previously worked for five years at Citigroup in the fixed income capital markets division where he provided debt restructuring and refinancing solutions for clients ranging from distressed
companies to sovereign nations.

Shay holds an MBA from NYU Stern School of Business and a B.A. in Philosophy from Columbia University where he played varsity football.

Associated Companies

Dan Engel

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Venture Partner

 

Dan has been a B2B and B2C software entrepreneur since 1997. Prior to being a Venture Partner at NGEN, Dan was CEO & Co-Founder at FastSpring, a leading e-payment fintech platform for 3,500 software companies worldwide. Dan bootstrapped FastSpring's revenue from $0 to over $120 million with total funding of $30,000 from 2005-2013. FastSpring, acquired in 2013 by Pylon Capital and again in 2018 by Accel-KKR, was known for its phenomenal customer service, a 4-time winner of The Silver Stevie Award for "Customer Service Department Of The Year".  The company Dan led was the #1 fastest-growing company in the Los Angeles area during 2006-2010, the 13th fastest-growing company in all of North America. The founders/original investors in FastSpring earned an ROI of over 1,000X on their original investment.

Prior to FastSpring, Dan led online customer acquisition/advertising for Google during its IPO phase. Before Google, Dan was VP of Market Development at Picasa, a digital photo consumer software company sold to Google in 2004 (now Google Photos). Previously, Dan led customer acquisition/revenue generation for GoToMyPC & GoToMeeting software, helping lead to a $225 million initial acquisition by Citrix & building a major brand that today generates over $600 million in recurring SaaS revenue. In 2016, the software was again acquired, this time by LogMeIn for $1.8 billion. 

Dan has been an active angel investor, advisor, and/or board member at Apeel Sciences (food waste), SafeGraph (geospatial data), Blue Triangle Technologies (performance optimization), Rincon Venture Partners, TechStars, TrackStreet, Mobile1st, Directional Cue, Allergease (natural medicine) and others. Dan serves on the board of New Beginnings, a non-profit that provides counseling services to military veteran, low income and homeless individuals, and he works with Home For Good to help place homeless people from Santa Barbara into permanent housing.

At 24, Dan was an Entrepreneur-in-Residence at Idealab, the #1 incubator of the .com era, after having started a consumer e-commerce company in college. Prior to being a software entrepreneur, Dan worked at Sanford Bernstein, Merrill Lynch, Smith Barney, and Fidelity Investments (FMR). He has appeared in various publications, including Entrepreneur Magazine, Forbes & The Wall Street Journal. Dan graduated Tulane University in 1998 with a degree in Finance. He spends much of his free time with his beautiful wife and two children. To see a video of Dan interviewed, please visit: http://www.uctv.tv/shows/Dan-Engel-Serial-Entrepreneur-29616

Richard Jahn

Chief Financial Officer

 

Richard Jahn is in Andersen Tax’s Private Equity and Hedge Fund Tax Practice. He has over 25 years of diverse tax experience, including extensive knowledge of alternative investments, partnership taxation and multistate taxation. Richard focuses on assisting investment partnerships with tax planning and compliance, fund accounting, fund administration, and structuring. Richard’s skills also include consulting with general partners and managers regarding their individual taxation, estate planning, audit defense as well as federal and state tax compliance for management companies.

Before joining Andersen Tax, Richard was a Senior Vice President and Executive Director of Tax Services for a fund administrator. He worked with some of the world’s largest institutional and non-institutional private equity and hedge funds, domestic and offshore partnerships encompassing a variety of investment strategies, including buyout, real estate, fund of funds, mezzanine, and venture capital. Richard was responsible for the tax services provided to the administrator’s clients, which included responsibility for preparing and issuing more than 15,000 Schedules K-1 to limited partners annually. Before that, Richard was a Tax Partner at Arthur Andersen.

Richard has been a speaker at private equity forums and has published several articles on tax issues affecting private equity funds and best practices for investment partnerships.

Stephen Koopman

Project Manager

 

Stephen Koopman is the Project Manager in NGEN's New York office. Stephen manages NGEN's research, website and office operations. He graduated from The United States Military Academy Prep School in 1994.

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