Leadership Team

Jeffrey W. Eckel ›› vCard

Mr. Eckel serves as our president & chief executive officer, as chairman of our board of directors and as a member of our Investment Committee. He has led Hannon Armstrong in the role of president and CEO since 2000. Previously, he held senior executive positions as chief executive officer of EnergyWorks, LLC and Wärtsilä Power Development. Most recently, he was appointed the chairman of the Maryland Clean Energy Center in 2011 and as a member of the Johns Hopkins Environmental, Energy, Sustainability and Health Institute’s advisory council in 2013. Mr. Eckel has over 30 years of experience in structuring, executing and operating infrastructure and technology investments. Mr. Eckel received a Bachelor of Arts degree from Miami University in 1980 and a Master of Public Affairs degree from Syracuse University, Maxwell School of Citizenship and Public Affairs, in 1981.

J. Brendan Herron ›› vCard

Mr. Herron serves as an executive vice president and as our chief financial officer. He also serves on the Investment Committee. Mr. Herron held a variety of roles at Hannon Armstrong and its affiliates from 1994 to 2005 and was a senior vice president with us from 2011 to 2013. He has over 20 years of experience in structuring, executing and operating infrastructure and technology investments. From 2006 to 2011, Mr. Herron was the vice president of Corporate Development & Strategy for Current Group, LLC, a provider of smart grid technology to electric utilities. He presently serves, and served from 2010 to 2011 on the U.S. Commerce Secretary’s Renewable Energy and Energy Efficiency Advisory Committee. Prior to joining Hannon Armstrong, Mr. Herron served in several financial and strategy roles at the U.S. corporate office of Aggregate Industries PLC, where he established and managed the U.S. financial organization including financial reporting. Mr. Herron received a Bachelor of Science degree in accounting and computer science from Loyola University Maryland in 1982 and a Master of Business Administration degree from Loyola University Maryland in 1987 and has passed the CPA and CMA examinations.

Steven L. Chuslo ›› vCard

Mr. Chuslo is the general counsel and executive vice president for Hannon Armstrong. Mr. Chuslo is responsible for all internal governance matters, has been the general counsel since 2008 and is actively involved in structuring, developing, negotiating and closing transactions for Hannon Armstrong. He has more than 22 years of experience in the fields of securities, commercial, finance, energy and environment, U.S. federal regulation and project finance. From 2006 to 2008, Mr. Chuslo was the senior legal and finance advisor to the Assistant Secretary of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy. He has also served as general counsel to EnergyWorks, LLC (initially a subsidiary of Bechtel Construction Company and the Oregon based utility, Pacific Corp and subsequently sold to the Spanish utility, Iberdrola), from 1996 to 2001. Mr. Chuslo was an associate attorney for Chadbourne & Parke, LLP from 1994 to 1995, practicing in the power project finance group and earlier with Davis Polk & Wardwell LLP from 1990 to 1994, practicing in the corporate finance group. Mr. Chuslo received a Bachelor of Arts degree in History from the University of Massachusetts/Amherst in 1982 and a Juris Doctorate from the Georgetown University Law Center in 1990.

M. Rhem Wooten ›› vCard

Mr. Wooten is the executive vice president, origination and has been with Hannon Armstrong as a managing director since October 2010. Mr. Wooten has worked in the energy industry for more than 30 years, and has extensive experience in project development, commodity trading/risk management and project finance. Mr. Wooten previously held a number of senior management positions, including serving as president of Duke Energy Corporation’s domestic and international independent power production affiliates from 1988 to 1996, as managing director, origination and operations of Duke/Louis Dreyfus from 1996-1997, chief executive officer of Merchant Energy Group of the Americas (MEGA) from 1997 to 2000, as president and chief executive officer of Pradium, Inc. from 2000 to 2001 and as president of Allied Syngas Corporation from 2004 to 2010. Mr. Wooten received a Bachelor of Science degree in Business Administration from the University of North Carolina-Chapel Hill in 1981.

Nathaniel J. Rose, CFA ›› vCard

Mr. Rose is the chief investment officer and senior vice president. He will also serve on the Investment Committee. Mr. Rose has been with Hannon Armstrong since 2000 in a variety of roles. He is presently responsible for structuring and analyzing our projects. He has been involved with a vast majority of our transactions since 2000. He earned a joint Bachelor of Science and Bachelor of Arts degree from the University of Richmond in 2000, a Master of Business Administration degree from the Darden School of Business Administration at the University of Virginia in 2009, is a CFA charter holder and has passed the Certified Public Accountant examination.

Michael Bruce ›› vCard

Mr. Bruce is a Director focusing on project finance, commercialization and innovative financial products. Mr. Bruce has nearly a decade of experience in finance, project development, technology and public policy with Manifest Energy, the U.S. Department of Energy and Credit Suisse. Mr. Bruce serves on the Board of Directors of Aladdin Middle East, Ltd and earned a B.S. in Management Sciences & Engineering from Stanford University. He holds the Series 79 securities license.

John J. Christmas ›› vCard

Mr. Christmas is Senior Vice President and focuses on energy efficiency financing solutions across a variety of market sectors, including commercial, industrial, institutional and governmental. He combines 20 years of commercial banking, government contracting and institutional lending experience. He received a M.B.A. in Finance from Marymount University and a B.S. degree in Economics from George Mason University.

Jody L. Clark ›› vCard

Ms. Clark is a Vice President at Hannon Armstrong focusing on energy efficiency financing solutions for commercial properties, including office, retail, industrial, and warehouse market sectors. She combines 28 years of real estate management experience, working extensively with both the landlord and tenant perspectives. She received a M.B.A. from Loyola University Maryland and a B.S. degree from Kalamazoo College in Michigan

Katherine M. Dent ›› vCard

Ms. Dent is a Vice President and serves as the Deputy General Counsel for the firm. She has over fifteen years of experience in government contracts, financial transactions and corporate law , and has been responsible for closing over $2 billion of receivables acquisitions and securitization transactions while at Hannon. Ms. Dent has a JD from the State University of New York at Buffalo School of Law and is admitted to practice law in Maryland and the District of Columbia.

Patrick Fox ›› vCard

Mr. Fox is a Director focusing on project finance and renewable energy market entry. Prior to Hannon Armstrong, Patrick led the negotiation, structuring, and execution of over $2.5 billion in energy purchase power agreements (PPA) at PG&E and worked at Merrill Lynch in Debt Capital Markets. Patrick was a U.S. Air Force pilot where he served in both Iraq and Afghanistan. Patrick holds a B.S. in Economics from the U.S. Air Force Academy and an M.B.A. from the Tuck School of Business at Dartmouth College

Lisa A. Hale ›› vCard

Ms. Hale is Controller responsible for all Asset Management. She has over 30 years of accounting experience in public accounting and private industry. She has a B.S. in accounting from the University of Arizona, and is a Certified Public Accountant.

Robert Johnson›› vCard

Mr. Johnson is Senior Vice President with responsibility for growing financing solutions in the industrial, manufacturing and data center sectors. He has extensive experience with building systems and energy project development developing over $300M of performance based energy efficiency projects over his career. He has been published in Military Engineer magazine and holds a Bachelors degree in Economics from the University of Maryland.

Daniel K. McMahon, CFA ›› vCard

Mr. McMahon has been with Hannon Armstrong since 2000 in a variety of roles, most recently as a senior vice president since 2007, and serves us as a senior vice president responsible for Capital Markets. Mr. McMahon is in charge of raising capital and sourcing capital markets transactions.  He has played a role in analyzing, negotiating and structuring investments, as well as, raising funds on both a corporate level and for over 400 transactions with a value in excess of $4 billion during his tenure at Hannon Armstrong. Mr. McMahon has 16 years of experience in the financial services sector, having previously worked with T. Rowe Price from 1997 to 2000. Mr. McMahon received his Bachelor of Arts degree from the University of California, San Diego in 1993, and is a Chartered Financial Analyst, or CFA, charter holder. He holds Series 24 and 79 securities licenses.