what we do
renewable energy Renewable Energy power plants and smaller systems using solar, wind, biomass and other renewable forms of energy represent a growing portion of global energy production. As technology advances, the costs of installing these energy systems have become much more economical leading to a dramatic increase in power generation from these clean and efficient sources.
energy efficiency Projects designed to lower energy usage are very important in a world in which the cost of energy continues to increase. Many new opportunities exist for enhancing energy efficiency including the replacement of conventional lighting with LED Lighting; the installation of heat saving insulation and enhanced windows; combined heat and power systems that utilize energy in a more efficient way just to name a few.
sustainability Sustainability projects are designed to utilize fewer resources to do the same task or to use waste or recycled materials to achieve economic goals. In a world in which many basic resources are becoming scarcer, sustainability projects are increasingly being undertaken by businesses in order to meet the needs of the present without compromising the needs of future generations.
management team

david-sherDavid Sher

David Sher is a serial entrepreneur founding a number of ventures in the financial services and brokerage industry. Prior to joining Greenbacker, Mr. Sher was a senior adviser at Prospect Capital Corporation, a mezzanine debt and private equity firm that manages a publicly traded, closed-end, dividend-focused investment company. In 2002, Mr. Sher was a founder and Managing Director of ESP Technologies, a leading provider of financial software and services to institutional asset managers and hedge funds. In May of 2007, that company was sold to a group of investors. In 1999, Mr. Sher was a founder and CEO of an online brokerage company, ElephantX dot com Inc. Additionally, in September 1997, he co-founded, developed and managed Lafayette Capital Management LLC, a statistical arbitrage hedge fund. Mr. Sher also spent six years at Bear Stearns where he developed trading ideas and strategies for correspondent clearing customers from 1991 to 1997.

Mr. Sher holds a Masters of International Affairs from Columbia University and Bachelor of Arts in Political Science from Rutgers University.


charles-wheelerCharles Wheeler

Charles Wheeler is a veteran of the investment banking industry having spent 24 years, from 1987 to 2011, with the Macquarie Group, one of Australia’s leading investment banks. During that time, Mr. Wheeler held several senior positions with the Macquarie Group, including Head of Financial Products for North America from 2007 to 2009 and Head of Renewables for North America from 2007 to 2011. From 1998 to 2007, Mr. Wheeler was a Director of the Financial Products Group at Macquarie in Australia with responsibility for the development, distribution and ongoing management of a wide variety of retail financial products, including REITs, infrastructure bonds, international investment trusts and diversified domestic investment trusts. Prior to joining Macquarie, Mr. Wheeler was a tax manager with Touche Ross & Co. in Australia (which was merged into KPMG in Australia).

Mr. Wheeler holds a Bachelor of Economics from Sydney University and is a member of the Institute of Chartered Accountants of Australia.


robert-sherRobert Sher

Robert Sher has co-founded and served in leadership roles for three diverse entrepreneurial ventures including a statistical arbitrage hedge fund, an innovative institutional brokerage company, as well as a financial technology company. Prior to co-founding Greenbacker, Mr. Sher consulted for Globus Renewable, an Irish-based renewable energy fund focused on the acquisition of wind and solar properties in Spain and Ireland. Mr. Sher served as the Head of Operations and a Registered Securities Principal at ESP Technologies, a leading provider of financial software and services to institutional asset managers and hedge funds. Along with David Sher and James Weiner, Mr. Sher co-founded ESP Technologies in 2002. In May of 2007, that company was sold to a group of investors. In 2000, Mr. Sher co-founded ElephantX dot com Inc, where he served as the President, Head of Operations and served on the firm’s Board of Directors. Prior to co-founding ElephantX dot com Inc, from 1997 to 2000, Mr. Sher co-founded and ran operations as the Director of Operations for Lafayette Capital Management LLC, a New York-based statistical arbitrage hedge fund. Mr. Sher started his career at Citibank NA, where he managed emerging markets customer service and accounting teams, servicing their institutional client base from 1991 to 1997.

Mr. Sher holds a Masters of International Affairs, International Policy Analysis and Management Columbia University and Bachelor of Arts in History and Political Science from Rutgers University.


james-weinerJames Weiner

James Weiner has 20 years of leadership and operational execution expertise. From 2002 through 2009, Mr. Weiner served as Managing Director and Chief Operating Officer of ESP Technologies, a leading provider of financial software and services to institutional asset managers and hedge funds. Along with David and Robert Sher, Mr. Weiner co-founded ESP Technologies in 2002. Mr. Weiner, in 2000, co-founded ElephantX dot com Inc, an Alternative Trading System (ATS)., served as Managing Director and Chief Operating Officer. As Chief Operating Officer of both ElephantX and ESP Technologies, Mr. Weiner held principal responsibility for software development, IT infrastructure, call center operations, due diligence processes and overall customer satisfaction globally. Prior to ElephantX and ESP Technologies, Mr. Weiner was a co-founder and served as the Director of Business Operations and Finance at Image Data, a high-tech fraud prevention company, from 1997 to 1999. While at Image Data, Mr. Weiner raised angel financing and capital contributions from the U.S. Senate and Secret Service Appropriations. He spent nine years, from 1988 to 1996, at Lockheed Martin – Sanders and oversaw the implementation of Lockheed’s first non-military commercial venture, which resulted in the creation of a cellular location system and service.

Mr. Weiner holds a Masters of Business Administration from Boston University and a Bachelor of Science in Business Administration from Northeastern University.


robert-lawskyRobert Lawsky

Robert Lawsky has 18 years of corporate transactional, fund management and legal and regulatory compliance experience. Prior to joining GCM, from 2010 to 2012, Mr. Lawsky served as General Counsel of Energy Infrastructure Partners, an asset manager focused on developing and investing in renewable energy and other infrastructure projects, and as General Counsel of investment funds, Macquarie Infrastructure Partners I & II, from 2006 to 2009, at which he diligenced, structured and negotiated a range of infrastructure investments. At both Macquarie and Energy Infrastructure Partners, Mr. Lawsky has also supervised all legal aspects of fund formation and management, portfolio investment oversight and legal, regulatory and compliance matters. From 1999 to 2006, Mr. Lawsky previously served as Senior Corporate and M&A Counsel at AT&T, where, among other things, he was Head of International Corporate Transactions (Legal) and lead counsel to the AT&T Venture Fund. Earlier in his career, he was an associate in the M&A group at Skadden, Arps, Slate, Meagher & Flom LLP, and the corporate group at Haight, Gardner, Poor and Havens.

Mr. Lawsky received a Bachelor of Arts from Amherst College and a Juris Doctor degree, cum laude, from Boston University School of Law.


spencer-mashSpencer Mash

Spencer Mash has experience in structuring, modeling, performing diligence for, and executing transactions such as mergers and acquisitions, investments in private debt securities and bankruptcy restructurings. Prior to joining GCM, from 2010 to 2011, Mr. Mash was employed by TM Capital Corp., a boutique investment bank where he focused on sell side mergers and acquisitions assignments and bankruptcy restructurings. From 2008 to 2009, Mr. Mash was an investment analyst at Gandhara Capital LTD, a long / short hedge fund investing in global large cap public equity. From 2005 to 2008, Mr. Mash was employed by Deerfield Capital Management in its Leveraged Finance Group. Mr. Mash’s duties included performing in-depth due diligence and financial analyses, negotiating loan documentation and monitoring over 20 investments in private middle market first lien, second lien, mezzanine and one-stop senior secured debt investments. From 2003 to 2005, Mr. Mash was an analyst at Bank of America Merrill Lynch, where he analyzed, structured and marketed financial sponsor- and mergers and acquisitions-related leveraged loan and high yield securities.

Mr. Mash graduated magna cum laude from The University of Pennsylvania’s Wharton School of Business with a Bachelor of Science in Economics with a concentration in Finance and Marketing.


in the news

Greenbacker Group LLC Announces Investment by Guggenheim Global Infrastructure Company

NEW YORK, Oct. 1, 2012 – Greenbacker Group LLC (“Greenbacker”), a diversified management company, today announced that it received a sponsoring investment from Guggenheim Global Infrastructure Company (“GGIC”).  Terms of the investment were not disclosed. Read More

Greenbacker is in the process of organizing an investment vehicle focused on investing in renewable energy, energy efficiency and sustainability projects.

Greenbacker co-founder and Senior Managing Director, David Sher , said: “GGIC’s investment, as well as our evolving partnership with GGIC, better positions us to achieve our goal of developing the leading vehicle for the funding of these projects”.

“We are very excited about our investment in Greenbacker and believe that they have the potential to transform the manner in which renewable energy and energy efficiency projects are funded.” said Sonny Lulla , a partner and co-founder of GGIC.


Greenbacker Group LLC is a private management company based in New York that is developing a platform to fund, own and operate a wide variety of renewable energy, energy efficiency and sustainability projects. Greenbacker seeks to provide developers, corporations, government agencies and others with the resources to build projects that will save money, create jobs, limit greenhouse gases, and provide compelling and predictable returns to investors.


Guggenheim Global Infrastructure Company Limited (GGIC) is an affiliate of Guggenheim Partners, LLC focused on investments in the global infrastructure sector. Guggenheim Partners, LLC is a privately held global financial services firm with more than $125 billion in assets under management. The firm provides asset management, investment banking and capital markets services, insurance, institutional finance and investment advisory solutions to institutions, governments and agencies, corporations, investment advisors, family offices and individuals. Guggenheim Partners is headquartered in New York andChicago and serves clients from more than 25 offices in 10 countries.


This press release does not constitute an offer to sell any securities.  This press release contains forward-looking statements that involve risks and uncertainties, including statements regarding Greenbacker’s future growth prospects. These statements are neither promises nor guarantees, but are subject to a variety of risks and uncertainties, many of which are beyond our control, which could cause actual results to differ materially from those contemplated in these forward-looking statements. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. Greenbacker undertakes no obligation to update or revise the information contained in this press release, whether as a result of new information, future events or circumstances or otherwise. 

Media Contact: David Sher Greenbacker Group, LLC, 6465326707, david.sher@greenbackercapital.com