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Mayo A. Shattuck IIIChairman of the Board, President and Chief Executive Officer, Constellation Energy -
Mayo Shattuck was appointed President and Chief Executive Officer of Constellation Energy Group effective November 1, 2001, and was elected Chairman of the Board in July 2002. Prior to joining Constellation Energy, he was with Deutsche Bank, where he served as Chairman of the Board of Deutsche Bank Alex. Brown and, during his tenure, served as Global Head of Investment Banking and Global Head of Private Banking.
From 1997 to 1999, he served as Vice Chairman of Bankers Trust Corporation, which merged with Deutsche Bank in June 1999. From 1991 until 1997, Mr. Shattuck was President and Chief Operating Officer and a Director of Alex. Brown Inc., which merged with Bankers Trust in September 1997.
He received his Bachelor of Arts degree from Williams College and his Master of Business Administration degree from Stanford University where he graduated as an Arjay Miller Scholar. Mr. Shattuck has received an honorary Doctor of Public Service degree from the University of Maryland Baltimore County.
Mayo Shattuck currently serves as a Director of Gap Inc. and is Chairman of its Audit and Finance Committee and is a Director of Capital One Financial Corporation and is Chairman of its Compensation Committee. Mr. Shattuck is a member of the board of the Edison Electric Institute (EEI), the Nuclear Energy Institute (NEI), and is Vice Chairman of the Board of the Institute of Nuclear Power Operations (INPO). He is a member of the Board of Trustees of Johns Hopkins Medicine and Chairman of the Board of Visitors of the University of Maryland Baltimore County. -
Michael J WallaceVice Chairman, Constellation Energy; Chairman, UniStar Nuclear Energy -
Michael (Mike) J. Wallace is vice chairman of Constellation Energy and chairman of UniStar Nuclear Energy, a strategic joint venture between Constellation Energy and the EDF Group, an energy market leader in Europe.
Prior to joining Constellation Energy Group, Mr. Wallace was managing director of Barrington Energy Partners, LLC, a strategic consulting firm specializing in energy industry transactions and advisory services. He co-founded the firm in 1998 and has advised energy company executives on mergers and acquisitions, transaction financing, and market and investment opportunities.
Before joining Barrington Energy, Mr. Wallace had more than 25 years of senior executive and utility operations experience. From 1993 to 1999, he was senior vice president with Unicom/ComEd of Illinois, a $7 billion utility serving 3.4 million customers. He was also ComEd's chief nuclear officer, responsible for the operation of the company's 12 nuclear generating units at six power plant sites.
Mr. Wallace began with Unicom/ComEd in 1974 as a principal engineer, managing various responsibilities associated with the design, procurement, and construction of power plants. He became plant manager in 1979, then executive and manager in 1982, and vice president in 1990. In his tenure he had responsibility for the completion of the Braidwood and Byron Nuclear Stations of Commonwealth Edison.
Mr. Wallace has a Bachelor of Science degree in electrical engineering from Marquette University and a Master of Business Administration degree from the University of Chicago, with a specialization in finance. He also served as a naval officer in the U.S. Navy nuclear submarine force.
He is chairman of UniStar Nuclear Energy, a member of NEI's New Plant Oversight Steering Committee, a member of the National Infrastructure Advisory Council (NIAC) which advises the President on matters related to homeland security, chair of a special Study Group of the NIAC, chairman of the Nuclear Sector Coordinating Council under the Department of Homeland Security's National Infrastructure Protection Plan, member of a presidential transition team for homeland security, and director of Nuclear Electric Insurance Limited (NEIL).
He is active in a variety of boards and organizations, including those associated with Boy Scouts of America, Big Shoulders Fund of Chicago, Catholic Charities of Maryland, and Ocean Race Chesapeake.
Mr. Wallace is married to Victoria Lynn Wallace and resides in Annapolis, Md. He has two married children and three grandchildren. Coastal and blue water sailing is a shared family recreational passion. -
Henry B BarronExecutive Vice President of Constellation Energy; President, CEO and Chief Nuclear Officer of Constellation Energy Nuclear Group -
Brew Barron joined Constellation Energy on April 1, 2008, as executive vice president of Constellation Energy and president, chief executive officer and chief nuclear officer of Constellation Energy Nuclear Group. He is responsible for nuclear development opportunities and oversight of Constellation Energy's nuclear generation fleet, which includes the Calvert Cliffs Nuclear Power Plant in Lusby, Md., Nine Mile Point Nuclear Station in Scriba, N.Y., and R.E. Ginna Nuclear Power Station near Rochester, N.Y.
Barron has nearly 35 years of experience in the energy industry. He joined Constellation Energy from Duke Energy where he held the position of group executive and chief nuclear officer. He joined Duke Power in 1972 as an engineer at the Oconee Nuclear Station near Seneca, S.C., and subsequently held positions of increasing responsibility at all three Duke Energy Nuclear Power Stations.
From 1994 through 1996, he served as vice president and general manager of nuclear operations at the Department of Energy's Idaho National Engineering as part of the Duke Engineering & Services, LLC, subsidiary. He is past chairman of the board of governors for Duke, Cogema, Stone & Webster, LLC, a joint venture formed to design, construct and operate a mixed-oxide fuel fabrication facility for the Department of Energy.
Barron has been a registered professional engineer in North Carolina, South Carolina and Idaho. He has held a Nuclear Regulatory Commission-issued reactor operator license for Oconee Nuclear Station and a senior reactor operator license for McGuire Nuclear Station, both owned and operated by Duke Power. He is past chairman of the Executive Committee of the Westinghouse Owners Group. He is a past member of the American Nuclear Society where he served as chairman of the reactor operations division and chairman of the Piedmont-Carolinas Section. Barron is also a member of the accreditation board of the National Academy for Nuclear Training and the Department of Energy Nuclear Energy Advisory Committee.
A native of Fair Haven, N.J., Barron graduated from the University of Virginia with a Bachelor of Science degree in nuclear engineering.
Barron was born in 1950. He and his wife, Jacqueline, have two daughters and five grandchildren. -
Thomas F. BradyExecutive Vice President, Corporate Strategy, Constellation Energy, & Chairman, Baltimore Gas & Electric Company -
Thomas F. Brady, Executive Vice President, Constellation Energy, has responsibility for setting corporate strategy, overseeing corporate mergers and acquisitions, and managing governmental affairs, corporate branding and communications. He assumed the corporate strategy position in 1999. In December 2006, he was named Chairman of Baltimore Gas and Electric Company, and from 2002-2006, he was responsible for Constellation's retail lines of business, Constellation NewEnergy. Prior to his current position at Constellation Energy, Mr. Brady held various executive positions at Baltimore Gas and Electric, including Vice President and Chief Accounting Officer.
Active in business, civic and community affairs, Mr. Brady serves as a trustee/director of Corporate Office Properties Trust (NYSE:OFC), Maryland Chamber of Commerce, Downtown Partnership of Baltimore, Inc. and Stevenson University. Mr. Brady also serves as President of the Constellation Energy Foundation and the Constellation Energy Golf Foundation. In the past, he has served as Chairman of the Maryland Public Broadcasting Commission/Maryland Public Television (2003-2007) and a Committee Chairman for the USGA 2002 Senior Open.
Mr. Brady earned a Bachelor of Science degree from the University of Baltimore and holds a Master of Business Administration degree from Loyola College in Baltimore. He also has completed the advanced executive program at Pennsylvania State University. Mr. Brady is a Certified Public Accountant and in 1988-1989 he was chairman of the American Gas Association Accounting Advisory Council, a select group of nationally recognized financial experts that provided guidance in developing accounting guidelines for regulated energy enterprises. He was also selected as member of the 1988 U.S. Delegation for the Future Leaders Exchange Program to Europe. The delegation provided economic intelligence to the United States Information Agency regarding the proposed European Economic Community.
Mr. Brady served in the Air National Guard/USAF between 1970 and 1976. -
Paul J. AllenSenior Vice President, Corporate Affairs and Chief Environmental Officer, Constellation Energy -
Paul J. Allen is responsible for Constellation Energy's government affairs, public policy portfolio and environmental initiatives. He is chairman of the corporate environmental policy committee. Allen joined Constellation Energy in 2001 as Vice President, Corporate Affairs. Before joining the company, Mr. Allen had worked closely with Constellation Energy for several years in his capacity as Senior Vice President and Group Head at Ogilvy Public Relations, Washington, D.C., where he managed the firm's energy and environment practice.
In his 10 years at Ogilvy PR, Mr. Allen's clients included the Ford Motor Company, BP-Amoco, Edison International and Edison Mission Energy, the Edison Electric Institute (EEI), the Electric Power Research Institute (EPRI), and the Alliance for Competitive Electricity (ACE) as well as other energy companies and environmental NGOs.
Prior to joining Ogilvy in 1991, he served for five years on the senior staff of the Natural Resources Defense Council. Before his tenure at NRDC, he was press secretary for U.S. Senator Christopher Dodd and participated in the Senator's reelection campaign in 1986.
In 1979 Mr. Allen began working for National Public Radio where he was editor of the daily national news program, "Morning Edition." He also served as foreign news editor for all NPR news programs until joining Senator Dodd's staff in mid-1985.
Mr. Allen graduated from the University of Colorado.
Mr. Allen currently is the Chairman of the Chesapeake Bay Trust and serves as a member of the board of the Strathmore Hall Foundation. -
Charles A. BerardescoSenior Vice President, General Counsel, Corporate Secretary & Chief Compliance Officer, Constellation Energy -
Charles A. Berardesco serves as Constellation Energy's Senior Vice President, General Counsel, Corporate Secretary and Chief Compliance Officer. He has primary responsibility for the company's legal strategies and policies, including corporate governance, legal compliance and ethics, corporate finance activities, mergers and acquisitions, and litigation.
Mr. Berardesco formerly served as Vice President and Deputy General Counsel, a position he held since September 2006. He joined Constellation Energy in January 2003 as Associate General Counsel and was appointed Chief Compliance Officer and Corporate Secretary in 2005.
Prior to joining Constellation Energy, Mr. Berardesco had practiced law for nearly 20 years, both in-house and with law firms. He served as Vice President, General Counsel & Corporate Secretary of Fusura, a consortium of AIG, Kemper and Prudential, and Senior Vice President, General Counsel & Corporate Secretary of HCIA, a publicly held health care information company. He was Counsel with the national law firm of Piper Rudnick (now DLA Piper), where he focused on corporate finance and mergers and acquisitions, and a partner in the law firm of Whiteford, Taylor & Preston, where he chaired the firm's corporate department and served as a member of its executive committee.
Mr. Berardesco is also active in a number of charitable organizations, including having served as Chairman of the Board of the Woodbourne Center, President of the Presbyterian Home of Maryland, Chair of the Church Council of Foundry United Methodist Church and a member of the Board of Directors of the Baltimore Choral Arts Society. He is also a member of the Business Council of the Human Rights Campaign.
Mr. Berardesco received his Juris Doctor (with high honors) in 1983 from The George Washington University, where he was the Managing Editor of The George Washington Law Review, and his Bachelor of Arts (magna cum laude) in 1980 from Duke University. -
Kenneth W. DeFontesPresident and CEO, Baltimore Gas and Electric Company, and Senior Vice President, Constellation Energy -
Kenneth W. DeFontes, Jr. is President and Chief Executive Officer of Baltimore Gas and Electric Company (BGE). He served as Vice President, Electric Transmission and Distribution from 2000 to 2004.
Mr. DeFontes joined BGE in 1972 as an associate engineer and has held various leadership positions, including supervisor, general supervisor, manager and vice president.
Mr. DeFontes served in the Maryland Air National Guard from 1972 to 1978 and was honorably discharged as staff sergeant.
Mr. DeFontes is a member of the American Society of Mechanical Engineers and a board member of the American Gas Association, Southeastern Electric Exchange, and Reliability First Corporation.
Other memberships include St. Joseph Medical Center Operating Board of Trustees, Baltimore Symphony Orchestra Board of Trustees, Economic Alliance of Greater Baltimore Board of Directors, Johns Hopkins Whiting School of Engineering National Advisory Council, The Center Club, Baltimore Country Club, and the Harford Flying Club.
Mr. DeFontes holds a bachelor's degree in engineering from Swarthmore College in Pennsylvania and a master's degree in business administration from Loyola College in Maryland. A resident of Baltimore County, Md., Mr. DeFontes is married and has one son. -
Kathleen W. HyleSenior Vice President, Constellation Energy; Chief Operating Officer, Constellation Energy Resources -
Kathleen W. (Kathi) Hyle was appointed Chief Operating Officer of Constellation Energy Resources in November 2008. In her role as Chief Operating Officer, Ms. Hyle is responsible for leading the company's overall commercial business transformation of its organizational and operational model.
Ms. Hyle joined Constellation Energy in 2003. Most recently, she served as Senior Vice President of Finance and Chief Financial Officer for Constellation Energy Nuclear Group and Chief Financial Officer of UniStar Nuclear Energy, LLC, a strategic joint venture between Constellation Energy and EDF.
Previously, Ms. Hyle held senior-level finance positions with Constellation Energy, where she oversaw accounting, treasury, tax and financial planning and analysis. Prior to joining Constellation Energy, Ms. Hyle held Treasurer and Chief Financial Officer positions with ANC Rental Corp., the parent company of Alamo Rent-A-Car and National Rent-A-Car, AutoNation, Inc., and Black and Decker Corporation.
A Baltimore native, Ms. Hyle earned a Bachelor of Arts degree in accounting from Loyola College in Baltimore. -
Beth S. PerlmanChief Administrative Officer, Chief Information Officer and Senior Vice President, Constellation Energy -
Beth S. Perlman joined Constellation Energy in 2002 as Chief Information Officer and Senior Vice President. In June 2007, Ms. Perlman was named Chief Administrative Officer and will continue in her role as Chief Information Officer.
As Chief Information Officer, Ms. Perlman is responsible for all company-wide information technology initiatives, including the standardization of systems and architecture. In her role as Chief Administrative Officer, Ms. Perlman oversees information technology, human resources, supply chain, real estate and business performance improvement. Before joining Constellation, Ms. Perlman had been Vice President of Enron Wholesale Trading Technology. Ms. Perlman, who began her career with Enron in 1995 as Director, Risk Management Administration, was named Senior Director, Strategic Systems Initiatives in 1997, Senior Director, Enron Europe Limited Technology in 1999, and was promoted to her last position in 2000.
Prior to joining Enron, Ms. Perlman had been Project Manager, Equity Derivatives Technology for Lehman Brothers from 1993 to 1995. She was also Group Manager, Finance & Accounting Systems for Kidder, Peabody & Company from 1990 to 1993. Prior to that, she worked for J.P. Morgan from 1982 to 1990.
Ms. Perlman serves as a board member of the American Technion Society, the Maryland/Israel Development Center, and Center Stage. She is also on the board of sponsors for the Sellinger School of Business at Loyola and chairs the Maryland Task Force on the Status of Women and Information Technology.
A New York native, Ms. Perlman graduated with a bachelor's degree in management information systems and finance from Syracuse University. -
Jonathan (Jack) W. ThayerSenior Vice President and Chief Financial Officer, Constellation Energy -
Jonathan (Jack) W. Thayer was appointed Senior Vice President and Chief Financial Officer of Constellation Energy in October 2008. In his role as Chief Financial Officer, Mr. Thayer is responsible for all of Constellation Energy's financial matters, including strategy, accounting, audit, financial planning, tax, treasury and investor relations activities.
Mr. Thayer joined Constellation Energy in 2002, at which time he served as Director, Investor Relations, responsible for managing Constellation Energy's relationships with shareholders and analysts. In 2004, he was appointed Vice President and Managing Director, Corporate Strategy & Development, responsible for strategic transaction analysis and planning. He was appointed Treasurer in August 2008.
Prior to joining Constellation Energy, Mr. Thayer held financial positions at Deutsche Bank Securities Inc. and SBC Warburg Dillon Read Inc., primarily focusing on mergers and acquisitions and financing transactions within the health care services, medical technology, biotechnology and pharmaceuticals industries.
Mr. Thayer served as a project officer in Mukono, Uganda from 1994-1995. He managed the Ugandan AIDS Project operations, including development and implementation of palliative AIDS care programs and implementation of administrative, training and supply networks for the Church of Uganda's rural health care initiative.
Mr. Thayer earned a bachelor's degree in history from Middlebury College, cum laude, and a master's degree in business administration from Harvard University. He has also earned the title of Eagle Scout. Mr. Thayer was the Chairman of Constellation Energy's 2006 and 2007 United Way Campaign and currently serves as a Board member of The United Way of Central Maryland and Family and Children's Services of Central Maryland. A resident of Baltimore, Md., Mr. Thayer is married and has two children.






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