Leading Infrastructure Firm Focused
on North American Energy Assets

Robert M. Trevisani Chief Financial Officer

Mr. Trevisani joined ArcLight in 2001 and has extensive experience managing limited partner relationships and fund back office management. Prior to joining ArcLight, he was Vice President and Controller for Triumph Capital Group, a private equity and CBO asset management firm. Prior to joining Triumph in 1995, he served as Chief Financial Officer of New England Frozen Foods. From 1991 to 1992, he was a founding staff member of Geary, Furnari & Gendron, a turnaround consulting company. Mr. Trevisani began his career as a staff accountant with Adler, Blachard & Co. Mr. Trevisani earned a Bachelor of Science in Finance and Entrepreneurial Studies from Babson College and is a Certified Public Accountant.

John F. Mahoney Director, Tax and Controller

Mr. Mahoney joined ArcLight in 2007 and has 28 years of experience in financial services including 21 years specific to alternative investment and private equity administration. Prior to joining ArcLight he was a Unit Director in Investors Bank & Trust Company’s Business Strategy & Execution group supporting Investors Bank’s alternative investment administration practice. Mr. Mahoney earned a Bachelor of Arts in Economics from Dartmouth College and a Master of Science in Accountancy from Bentley College.

Melissa A. Waystack Controller

Ms. Waystack joined ArcLight in 2015 and has 14 years of private equity experience. Prior to joining ArcLight, she was a member of the transaction services team and also an assistant controller at Apax Partners. Prior to joining Apax Partners, Ms. Waystack held various accounting positions at Lindsay Goldberg in New York. Ms. Waystack earned a Bachelor of Science in Accounting from Providence College and is a Certified Public Accountant.

Michelle M. Wright Assistant Controller

Ms. Wright joined ArcLight in 2008 and has 15 years of accounting experience. Prior to joining ArcLight, she was a Financial Analyst at Experian in the Marketing Services Group. Ms. Wright began her career as a Client Communications Representative in Manulife Financial’s U.S. Annuities Division. Ms. Wright earned a Bachelor of Science in Business Administration from Northeastern University and is a Certified Public Accountant.

Daniel J. Parsons Senior Staff Accountant

Mr. Parsons joined ArcLight in 2011 and has eight years of private equity experience. Prior to joining ArcLight, Mr. Parsons was a quality control specialist at The Bank of New York Mellon. Mr. Parsons earned a Bachelor of Science in Accounting from the University of Rhode Island and his Masters in Accounting from Suffolk University and is a Certified Public Accountant.

Mark A. Tarini Partner and Co-Head, Portfolio Management & Investor Relations

Mr. Tarini joined ArcLight in 2002 and has 35 years of energy finance and private equity experience. From 1989 to 2002, Mr. Tarini was the Chief Financial Officer of two private equity investment funds focused on equity investments in the power segment: EP Power Finance and Energy Investors Funds Group. Prior to this, Mr. Tarini was Vice President of Finance for Legeis Resources, a developer of alternative energy and waste management facilities. Mr. Tarini began his career as a Manager in the Utility and Real Estate practices of Arthur Andersen & Company. Mr. Tarini earned a Bachelor of Science in Accounting from Boston College.

Ashley S. Nahmias Investor Relations Manager

Ms. Nahmias joined ArcLight in 2006 and has 13 years of private equity experience. Ms. Nahmias is responsible for assisting in fundraising functions as well as managing back office investor relations. Prior to joining ArcLight, Ms. Nahmias earned a Bachelor of Arts in Studio Art and Communications from Rollins College.

Anna Beltrandi Coordinator, Investor Relations & Compliance

Ms. Beltrandi joined ArcLight in 2019. Prior to joining ArcLight, she was part of the administrative team at a family office in Boston. Ms. Beltrandi expects to be graduating from Northeastern University with a Bachelor of Science in Finance & Accounting in 2021.

Theodore D. Burke Partner and General Counsel

Mr. Burke joined ArcLight in 2014 and has over 34 years of legal, energy finance, and private equity experience. Prior to joining ArcLight, Mr. Burke was the Chief Executive and Global Managing Partner of Freshfields, Bruckhaus Deringer LLP. Before Freshfields, he was a Partner with Milbank Tweed Hadley and McCloy. Mr. Burke earned a Bachelor of Arts in Economics from the University of Vermont and a Juris Doctor from Georgetown University.

Christine M. Miller Associate General Counsel

Ms. Miller joined ArcLight in 2004 and has 21 years of legal experience in the areas of investment transactions and fund operations, with 19 years specific to energy finance and private equity. Prior to joining ArcLight, she was Counsel in John Hancock’s Investment Law Division, where she represented investment managers and advised institutional investors in purchasing private debt and equity securities. Ms. Miller earned a Bachelor of Arts in Political Science from the University of Massachusetts at Amherst and a Juris Doctor from Boston University School of Law.

Jeanna T. Simeone Associate General Counsel & Chief Compliance Officer

Ms. Simeone joined ArcLight in June 2020. Prior to Joining ArcLight, Ms. Simeone spent seven years as an Associate at Ropes & Gray LLP, where she focused her practice on private investment funds and their advisors. Ms. Simeone earned a Bachelor of Arts in Economics and Political Science from Boston University and a Juris Doctor from Boston University School of Law.

Elisabeth A. Wallace Coordinator, Legal

Ms. Wallace joined ArcLight in 2002. Prior to joining ArcLight, she was an assistant to a portfolio manager at SAC Capital Advisors. Ms. Wallace earned a Bachelor of Arts in Hispanic Language and Literature from Boston University.

Anna M. Casper Paralegal

Ms. Casper joined ArcLight in 2017 and has 16 years of legal experience. Prior to joining ArcLight, she held paralegal positions in the corporate, real estate and litigation sectors. Ms. Casper earned a Bachelor of Arts in Psychology from Simmons College.

John J. McNaught, III Director, Information Technology

Mr. McNaught joined ArcLight in 2008, after being the firm’s primary information technology consultant since 2004. Prior to joining ArcLight, he was a senior systems and technology consultant for iCorps Technologies, specializing in IT infrastructure planning and implementation for small to medium size companies. Mr. McNaught earned a Bachelor of Arts in Sociology from Merrimack College.

Karen Santosuosso Director, Human Resources

Ms. Santosuosso joined ArcLight in 2009 and has 23 years of human resources experience. Prior to joining ArcLight, she was the Assistant Director of human resources with a start-up pharmaceutical company. Ms. Santosuosso earned a Bachelor of Arts in Psychology from the University of Vermont.