
About H4E
H4E is a strategic advisory firm supporting mission-driven businesses and organizations navigating the evolving landscape of energy, environment, national security, and the broader impact economy. We bring deep experience in federal policy, stakeholder engagement, and business strategy to help clients accelerate growth, mitigate risk, and drive impact.
Our team advises across a range of sectors—from renewable energy and climate resilience to emerging defense technologies. Whether developing a go-to-market strategy, building relationships with federal stakeholders, or supporting compliance in highly regulated industries, H4E delivers the insight and connectivity our clients need to lead confidently and responsibly.
Meet the team
Tom Hicks
Principal
Acting Under Secretary of the Navy (2014-2016, 2017)
Deputy Under Secretary of the Navy for Management (2013-2017)
Deputy Assistant Secretary of the Navy for Energy (2010-2013)
Vice President, U.S. Green Building Council (2005-2010)
Ashley Patterson Beaty
Principal, Ardeidae Group
Joe Bryan
Principal, Muswell Orange, LLC
Ashley Patterson Beaty, has 20+ years’ experience spanning government relations, policy, and communications. Prior to Ardeidae Group, she was Vice President of Government Relations and Public Policy at Ameresco (NYSE: AMRC).
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Ashley also served as a Congressional staffer and worked as a television news producer covering the White House and Congress for the Washington Bureau of Belo Corp.
Ashley has participated in numerous clean energy trade associations and is currently focused on renewable energy, critical minerals, offshore wind, and energy tax policy. She serves on the board of the Low Carbon Fuels Coalition and is a member of the Business Council for Sustainable Energy. Ashley is also an advisor at the start-up company BTR Energy, where she works with electric vehicle automakers on low carbon transportation programs.
Ashley is principal of Ardeidae Group – a woman-owned Washington, D.C. advisory firm founded in 2019. Website: https://www.ardeidaegroup.com
Ashley holds a Bachelor of Science in Communications and a Master of Science in Broadcast Journalism both from Boston University.
Tom Hicks performed the duties of the Under Secretary of the Navy from 2014 to 2016 and again in 2017 representing the Department on all policy, budget, and strategy matters and serving as the Chief Operating Officer/Chief Management Officer of the Navy. In this capacity, Tom led the day-to-day business operations of the Department and served as Department’s senior official on Space, Nuclear Weapons, Nuclear Enterprise, Defense Business Council, Financial Improvement and Audit Readiness, Military Health, Military Professionalism, Sexual Assault, Force of the Future, Transgender Integration, Women in Service, Secretary of Defense Senior Leadership Council, and Department of Defense/Joint Staff executive leadership working groups.
Concurrent with this role, Tom served as Deputy Under Secretary of the Navy for Management as the Secretary of the Navy’s principal advisor on all business management functions including offices of the Chief Information Office, Strategy and Innovation, Business Operations, and Administration. In this capacity Tom was responsible for overseeing and executing the Secretary’s Innovation Vision to improve use of information, accelerate new capabilities to the Fleet, build an innovation network, and develop advanced war fighting concepts.
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Prior to these roles, Tom served as the Deputy Assistant Secretary of the Navy for Energy; the Secretary’s senior official on all matters pertaining to energy sourcing, energy efficiency, and alternative fuels managing an energy investment portfolio of $1 billion annually. In concert with the Secretary’s energy vision, Tom established the 1 Gigawatt renewable energy initiative announced by the President which resulted in the procurement of more than 1.2 Gigawatts of renewable energy and cost savings in excess of $100 million. Tom led the creation of the Department’s $800 million public-private partnership accelerating the capacity of the advanced alternative fuels industry to provide hundreds of millions of gallons per year of military-compatible, low-emission alternative fuel price-competitive with conventional fuel.
Prior to the Navy, Tom was Vice President of the Leadership in Energy and Environmental Design (LEED®) and International Programs with the U.S. Green Building Council. Tom oversaw the implementation and expansion from four to seven individual rating systems while increasing presence to more than 120 countries yielding nearly 70,000 building projects totalling over 12 billion square feet. Tom led the wholesale re-engineering of the certification processes and business model, development of the volume certification model, and both brand and reference guide fulfilment, driving ten-fold net revenue growth.
Prior to the USGBC, Tom was a Senior Program Manager with the U.S. Environmental Protection Agency’s ENERGY STAR® program. Tom created and managed the ENERGY STAR commercial building rating system enabling measurement and tracking of building energy performance on a 1 to 100 scale. To date, more than 400,000 commercial buildings totalling over 35 billion square feet of floor space have been benchmarked using the ENERGY STAR rating system and More than 25,000 buildings have been certified as ENERGY STAR with a cumulative cost savings of $3.4 billion and a cumulative greenhouse gas emissions savings of 17 million metric tons of CO2 equivalent.
Tom received his Bachelor of Science in Mechanical Engineering from the Clark School of Engineering at the University of Maryland and has completed coursework at The George Washington University, Said Business School at Oxford, and the Harvard Business School.
Meredith Berger
Principal, Kinley One
Joe Bryan is a Principal of Muswell Orange, LLC. Joe was formerly a Senior Advisor to the Secretary of Defense and the DoD’s Chief Sustainability Officer. Joe previously served as Deputy Assistant Secretary of the Navy for Energy where he was responsible for policies relating to the Department’s installation and operational energy programs.
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Joe has deep experience in government oversight and investigations and earlier in his career led investigations for the Senate Armed Services Committee. Joe served on the Senate's Select Committee on Intelligence and the Permanent Subcommittee on Investigations. Joe has consulted in Namibia and South Africa and began his career working on electricity restructuring and state-level policies to encourage the growth of clean energy markets.
Meredith Berger served as the Assistant Secretary of the Navy for Energy, Installations & Environment and was responsible for providing oversight and policy for Navy and Marine Corps energy and climate resilience.
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Meredith served as the Assistant Secretary of the Navy for Energy, Installations & Environment and was responsible for providing oversight and policy for Navy and Marine Corps energy and climate resilience; infrastructure sustainment, restoration and modernization; military construction; acquisition, utilization and disposal of real property and facilities; environmental protection, planning, restoration and natural resources conservation; and safety and occupational health.
Prior to this role, Meredith was a senior manager for the Defending Democracy Project at Microsoft Corporation and was Deputy Chief of Staff to Secretary of the Navy Ray Mabus, advising the Secretary on the formulation and execution of Department-wide strategy, policies, plans, and standards. Prior to her tenure with the Department of the Navy, Ms. Berger held policy positions with the Environmental Protection Agency and the Office of the State of Florida Chief Financial Officer.