Board of Directors

Sig Berg

Founder and Chairman of The Severn Leadership Group

Sig Berg

Sigval (Sig) M. Berg is currently the Founder and Chairman of The Severn Leadership Group in Annapolis, Maryland. Additionally, he served as a mentor and lecturer (leadership development) at the World Nuclear University’s Summer Institute at Oxford England from 2009 -2013.

Mr. Berg has also served in a number of senior executive positions in the nuclear industry. Mr. Berg was the Senior Vice President for Infrastructure Development and Training at UniStar Nuclear Energy (a joint venture of Constellation Energy and EDF — developing the EPR for the US) in Baltimore, Maryland. (2007-2008)

Prior to that, Mr. Berg was an executive at the Institute of Nuclear Power Operations (INPO) in Atlanta, Georgia from 1994-2006. As executive vice president, he was responsible for INPO’s Evaluation and Assistance cornerstones. From 2002 to 2004 he served as managing director of the World Association of Nuclear Operators (WANO) in London, England. Additional responsibilities during his time at INPO included serving as executive vice president for the Accreditation cornerstone and the Administrative Division, executive director of the National Academy for Nuclear Training, director of the WANO–Atlanta Center and deputy director of the WANO-Coordinating Center in London, Mr. Berg was elected executive vice president of INPO in April 2000, senior vice president in March 1998, and vice president in February 1996.

Mr. Berg joined INPO in 1994 after three years with Commonwealth Edison in Chicago, Illinois where he served as site vice president, Braidwood Nuclear Station (PWR); technical superintendent, Dresden Nuclear Station (BWR); assistant to production superintendent, Dresden Nuclear Station; and nuclear administrator, office of the vice president, PWR operations. During this time he completed Executive Senior Reactor Operator Training (BWR).

A 1968 graduate of the U.S. Naval Academy, he served in the U.S. Navy until 1981 holding several positions in the Navy nuclear program, including the position of chief engineer of a nuclear-powered submarine. In November 1998, Mr. Berg completed the Harvard Graduate School of Business’ Advanced Management Program and has a MDIV from Trinity Lutheran Seminary in Columbus, Ohio (1981).

Mr. Berg released his first book, Swing: Elite Leadership for High Performance Teams, in March 2022. It can be purchased from Amazon. Proceeds go to developing a new network of courageous leaders for America.

Julie Campbell

President and CEO of The Severn Leadership Group

Julie Campbell

Julie Campbell serves as the President and CEO, Severn Leadership Group (SLG), Inc.  Prior to joining SLG, she served in several leadership positions at Booz Allen Hamilton and at ARINC Incorporated, a Collins Aerospace company, most recently as the Associate Director of Enterprise Sourcing where she led a global team providing sourcing, procurement, and contract management of IT hardware, software, and services.

Prior to industry, Julie served over 20 years in the United States Navy, in the areas of information technology, space systems, and acquisition.  She managed the lifecycle of IT programs ranging from $2M – $2B.  Previous positions included:  Navy Space Cadre Advisor, responsible for 1300+ Navy personnel working in space-related positions; Commander of the First Presidential Communications Command and Emergency Communicator for the President of the United States at the White House Communications Agency; and Senior Advisor to the Director of Signals Intelligence, at the National Reconnaissance Office.

Julie has a passion for mentoring others.  She has been a senior fellow with the Severn Leadership Group since 2013.  She has participated in Fellowship of Christian Athletes and Young Life as a small group facilitator.

Julie received a Bachelor of Science degree in Aerospace Engineering from the U.S. Naval Academy, a Masters of Science degree in Space Systems Engineering from the Naval Postgraduate School and Masters Degrees in National Security and Strategic Studies from the Marine Corps Command and Staff College and the School of Advanced Warfighting.

Julie is married to Chris Campbell, who serves as the Associate Head Coach for Track and Field at the US Naval Academy.  They have two sons, Mark and Luke.

Melina Davis

Chief Executive Officer and EVP of the Medical Society of Virginia

Melina Davis

Melina Davis is a US-based community leader with innovation and strategy expertise. She is a member of Hyperloop Transportation Technology, Inc.’s network of contributors and serves as HyperLeader as part of HTT’s U.S. Public Affairs Team. She is also the Chief Executive Officer and EVP of the Medical Society ofVirginia (MSV). MSV is the professional association for physicians in the Commonwealth of Virginia. Melina began leading MSV in 2014 and is responsible for managing all MSV related companies including the MSV Insurance Company, MSV PAC and the MSV Foundation.

She is a public health executive with expertise in leadership, innovation, and business, as well as an experienced community and health advocate. Over the past 20 years, Melina has become a thought leader and strategist in the nonprofit industry with executive expertise in management, technology, cause marketing, engagement and strategic partnerships. She also founded PlanG Holdings, Inc., a company and cause marketing engagement platform. Melina with two other co-founders was granted a US Patent related to this start-up.

Melina is known for her entrepreneurial approach and ability to motivate and stimulate creativity and deliver impactful results. To date she has raised more than $110 million dollars for health and human services. Previously, she served as the CEO of the American Lung Association of the Atlantic Coast, as Vice President of Core Technology and President of the National MS Society of Central Virginia.

As a result of her commitment to change and community growth Melina was selected as one of “Richmond’s Top 40 Under 40” by Inside Business in 2002, Richmond Magazine’s “20 People to Watch in 2009” and Virginia Business Magazine’s “30 People on the Move” in 2013. As Founder of PlanG she was also recognized with Richmond Venture Forum’s Bright Future Award and RichTech’s Emerging Technology Company Award and in Fortune Magazine and FastCompany.

She also serves on the Board of Virginia Credit Union as governance chair, MSVIA, Inc., MSVF, and Virginia Commonwealth University School of Business Foundation, and the Richmond Performing Arts Alliance as vice president. She also serves on the Executive Committee of the American Medical Association’s Advocacy Resource Center.

Melina received an M.B.A. from Virginia Commonwealth University, and a B.A. degree in International Studies from the University of South Carolina.

Mark C. Germano

Founder, Creating Solutions & Instructor, University of Notre Dame, Mendoza College of Business

Mark C. Germano

Mark C. Germano is the Founder and President of Creating Solutions, a consulting agency for not-for-profits with over 200 clients.  Since 2008 he has also served as an instructor at the University of Notre Dame, Mendoza College of Business.  During his career he has raised more than $650 million including an extensive number of transformational gifts for all types of not-for-profit organizations such as the American Heart Association, Alzheimer’s Association, Autism Society of America and the United Way. Mark has led these organizations at the CEO or Senior Management levels. He has guided them through strategic planning, fund development, mergers, program outcome initiatives and grant-making processes.

Mark additionally serves as a United States Naval Academy Blue and Gold Officer.

Mark earned his BS in Psychology from Kent State, and holds an MS in Educational Psychology from the University of Wisconsin, Madison and an MBA from Roosevelt University, Chicago.

Mark and his wife Martha have been married for 41 years.  They have three children and four grandchildren.

Valerie Mardle

Family Relations Specialist at A. Duda & Sons, Inc.

Valerie Mardle

Valerie has always been a conscientious and compassionate person determined to make a difference in the world.  In her 30-plus years as a non-profit professional, Valerie led development teams to raise morale, enthusiasm, and over $200 million dollars.  Working alongside employees from companies like Walt Disney World, Lockheed Martin, Bank of America and others, she learned how to uniquely engage with community leaders on building solid foundations that affect change.

In her family relations role at A. Duda & Sons, Inc., Valerie works with the governance team and a family council to ensure the Duda family and the company’s shareholders are engaged on the family business and how to become better steward owners.

Valerie has served in numerous positions on the Association of Fundraising Professionals (AFP) Central Florida Chapter including Chair for National Philanthropy Day and President of the Chapter.  She has also served on the board of directors for AFP International.   In 2015, she was selected as Outstanding Fundraising Professional by AFP Central Florida.  A steadfast alumnus of Washburn University in Topeka, Kansas, Valerie is a Whiting Society member.  She also champions her sister’s legacy through an endowment at Stetson Law School in Gulfport, Florida.  She has served on the advisory board for Dueling Dragons and a mentor/trainer/speaker for United Way of America, Junior League, and the National Boys & Girls Club.

Valerie is an avid US Masters swimmer, writer, traveler, gardener, and enjoys spending time with family.

John McGaha

Chief Executive Officer of jMc Associates, LLC

John McGaha

John R. McGaha formed jMc Associates, LLC after retiring from Entergy, Inc. in December, 2009.

John R. McGaha became president of Entergy Nuclear South in March 2000. Entergy Corporation, through its Entergy Nuclear South subsidiary, operates five nuclear units in its retail electric service area: two-units at Ar-kansas Nuclear One and single units at Grand Gulf Nuclear Station, River Bend Station and Waterford 3. Since 2005 in his final assignments with Entergy he lead two major nuclear and corporate-wide change initiatives. Since December 2009 he has worked as a consultant to the nuclear industry and as a board member for a privately owned nuclear service company.

McGaha has been an active participant in nuclear industry initiatives that contribute to continuous improvement and excellence. He served in multi-ple current and past roles on executive committees and advisory councils for the Nuclear Energy Institute, , the Institute of Nuclear Power Opera-tions and the American Nuclear Society; and since 2001 as a member of the Tulane Univ. School of Science & Engineering Board of Advisors.

McGaha has 32 years of experience with Entergy’s nuclear program. He started his Entergy career in 1978 at the Waterford 3 plant in Taft, La., ad-vancing to the position of general manager of plant operations.

McGaha was promoted to vice president of operations support for Entergy Nuclear South in 1991, coordinating support services for all the nuclear units at the company’s nuclear headquarters in Jackson, Miss. Concurrent with Entergy’s December 1993 merger with Gulf States Utilities, McGaha was named vice president of River Bend Station in St. Francisville, La., where performance in most industry indicators was lagging. Under McGa-ha’s leadership, the plant was integrated into Entergy Nuclear South, and major improvement plans were developed and implemented that set the plant on an impressive improving trend.

McGaha was promoted in September 1998 to executive vice president and chief operating officer of Entergy Nuclear South, followed by the assign-ments previously highlighted until his retirement in 2009.

Before joining Entergy, McGaha was an electrical design engineer for Brown & Root, Inc. for three years, and he served in the U.S. Navy nuclear submarine program for five years. In 1994, he retired from the U.S. Naval Reserve with the rank of captain.

McGaha is a graduate of Tulane University in New Orleans with a bachelor of science degree in electrical engineering. He has completed the Harvard University Advanced Management Program; is a registered professional engineer; and received a senior reactor operator management certification at Waterford 3.

Deanna Rodriguez

President and CEO, Entergy New Orleans, LLC

Deanna Rodriguez

Deanna Rodriguez is president and chief executive officer of Entergy New Orleans, LLC, where she oversees the company’s electric distribution system, safety, financial performance, customer service, resource planning, economic development, charitable contributions, employee development, and regulatory and governmental affairs. 

Rodriguez, a 28-year veteran of Entergy, previously served a vice president of regulatory and public affairs at Entergy Texas, Inc. Prior to that, she was vice president of regulatory affairs for Entergy New Orleans, where she worked closely with the New Orleans City Council to launch the first Energy Smart program. The comprehensive energy efficiency plan was developed in collaboration with the New Orleans City Council and continues assisting customers today.

She also served as director of external affairs for Entergy Corporation, where she coordinated post-Hurricane Katrina funding efforts, which resulted in more than $200 million in community development block grant funding for Entergy’s Louisiana, Mississippi and New Orleans operating companies.

From 1999 to 2003, as vice president of corporate contributions, Rodriguez oversaw the creation of the Entergy Charitable Foundation and the company’s employee volunteer program, Community Connectors.

Rodriguez holds a master’s degree in public affairs from the Lyndon B. Johnson School of Public Affairs at the University of Texas at Austin and a bachelor’s degree in government from the University of Texas at Austin.

Entergy New Orleans provides electricity to more than 200,000 customers and natural gas to more than 108,000 customers. Entergy New Orleans is a subsidiary of Entergy Corporation, an integrated energy company engaged in electric power production, transmission and retail distribution operations. Entergy delivers electricity to 3 million utility customers in Arkansas, Louisiana, Mississippi and Texas. Entergy owns and operates one of the cleanest large-scale U.S. power generating fleets with approximately 30,000 megawatts of electric generating capacity, including 7,000 megawatts of nuclear power. Headquartered in New Orleans, Louisiana, Entergy has annual revenues of $10 billion and more than 13,000 employees.

Ray Steinmetz

Project Executive ExxonMobil

Ray Steinmetz

Ray was born and raised in Delaware. He graduated from Swarthmore College with a Bachelor’s degree in Engineering in 1974 and from Princeton University with a Master’s degree in Structural Engineering in 1976.  He joined Exxon Production Research Company in 1976. Ray spent the early part of his career at Exxon’s upstream research center leading various Research & Development (R&D) groups developing technologies to support Exxon’s needs for offshore facilities in frontier areas (e.g., deepwater, arctic, earthquakes). The R&D projects ranged from measuring earthquakes on the ocean bottom offshore Alaska to developing designs for compliant structures located in 3000 feet of water. His groups also directly supported design and construction of offshore developments around the world, including the North Sea, Australia, Malaysia, Japan and the USA. After 15 years in R&D, Ray assumed numerous Project Management leadership positions in ExxonMobil in various locations in the world.  His leadership teams were responsible for the planning, design, construction, and start-up of facilities to produce oil and gas from the Alaska North Slope to South China Sea.  The projects ranged in scope from several hundred million to several billions of dollars of investment, both offshore and onshore facilities. His teams were recognized for execution excellence and extraordinary safety performance, e.g., receiving Exxon’s President award for safety performance for the East Area Projects executed in Nigeria.  He also worked directly with the host governments to build relationships with their national energy companies and to secure project approvals. Ray ultimately became responsible for ExxonMobil’s Production Company projects worldwide.  He led a functional organization to provide support and grow functional excellence for the EMPC’s global portfolio. In 2013, after 36+ years of employment, Ray elected to retire.

Ray and his wife, Torri, have been married for 27 years and have built and moved to a home in Annapolis.  They have two spirited daughters now living in Oregon and Washington DC.  Ray and his family had the opportunity to live overseas in Jakarta, Indonesia, London and Kuala Lumpur, Malaysia. His interests include hiking, golf, sailing, travel and time with family and friends.

John Wissler

CEO of JPW Solutions, LtGen, USMC (ret)

John Wissler

John Wissler retired from the United States Marine Corps in 2017 as a Lieutenant General with over 39 years’ experience in leading dynamic, multi-faceted, resource constrained, results driven organizations.  He served as the Commander, U.S. Marine Corps Forces Command (2015-2017) and the Commanding General III Marine Expeditionary Force (2013-2015).  In each of these assignments he was responsible for providing leadership, fiscal guidance and budget execution, strategic planning, and organizational development for as many as 65,000 Marines, Sailors, and government civilians.  John also served as the Deputy Commandant of the Marine Corps for Programs and Resources (2010-2013) wherein he led the Marine Corps’ planning, programming, and fiscal processes to optimize current and future organizational development, training, maintenance, and procurement requirements.   

John established JPW Solutions, LLC, a disabled-veteran owned business, to share his passion for excellence in strategic planning, government budget and requirements, leadership development, and logistics operations in each of these areas. He has served as a mentor and senior advisor with several governmental agencies, industry, U.S. Major League Soccer, and several colleges.  He is also working with the defense industry developing long term strategic planning for cutting-edge technologies and logistics systems

Other General Officer and senior leader command assignments included; Deputy Commanding General, Multi-National Force West during combat Operations in Iraq in 2009-2010, Commanding General, 2d Marine Logistics Group (Forward) during combat Operations in Iraq in 2005 – 2006, Senior Military Assistant to the Deputy Secretary of Defense from 2006-2008, and Commanding Officer, Task Force Pegasus, a unique multi-functional battlefield distribution capability supporting I MEF and Task Force Tarawa during combat operations in Iraq in 2003.  

John possesses a Master of Science Degree in Industrial Engineering/Engineering Management, Air Force Institute of Technology, Dayton, OH; a Bachelor of Science in Ocean Engineering, United States Naval Academy, Annapolis, MD, and served as a Commandant of the Marine Corps and Federal Executive Fellow in Foreign Policy Studies at The Brookings Institution, Washington, DC from 1998-1999.  John has attended the Singularity University Executive Program in Exponential Technologies as well the University of North Carolina Executive Program in Logistics Technology.


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