Clear decisions in complex terrain.
CONSULTING FOR A BETTER WORLD
Overmountain Advisors provides strategic advice for people and organizations who are trying to make the world a better place from a team with unmatched experience, relationships, and a positive get-it-done attitude.
Launch and Growth Acceleration for Clean Technology and Sustainable Development
Supporting International Cleantech Companies with US Market Entry
TURN ASPIRATION INTO ACTION
After 20 years of building sustainable businesses, industries, buildings, and communities, our team can guide you through the process of taking a promising project, technology, or aspirational vision into reality.
Technologies and sectors we have served include:
Nuclear Fusion
Solar PV/Solar Thermal
Battery Energy Storage
Long Duration Energy Storage
Virtual Power Plants
EV/H2 Vehicle Manufacturing
Hydrogen and Ammonia (Green, Blue, Turquoise)
Advanced Geothermal
Small Modular Nuclear Reactors and Supply Chain
Industrial Decarbonization
Sustainable Materials (Cement, Steel, Aluminum, Plastic, Biobased)
Sustainable Design and Development (Commercial, Residential, Industrial)
Local, State, and Federal Government
Nonprofit and Philanthropy
“The best way to predict the future is to create it.”
— Peter Drucker
Meet the Team
-

Michael Walton
FOUNDER AND CEO
Founding Partner, Precursor
Former GM Energy Transition Finance
Former White House EJ Advisory Council
Former CEO green|spaces
Architect, Board Member, Scoutmaster -

Steve Boyd
SENIOR ADVISOR
Senior Advisor
Founder & CEO, New City Energy
Principal, Boyd Strategies
Former Senior Advisor, DOE LPO
Former CEO & Co-Founder, Peloton Technology
Energy & Infrastructure Executive -

Bernie Yoo
SENIOR ADVISOR
FOAK Startup Builder and Advisor
Founding Partner, Precursor
Exited Founder, Former Cleantech Chief of Staff and Fundraiser, Former Morgan Stanley -

Goksenin Ozturkeri
SENIOR ADVISOR
Founder & CEO, GO Renewables
Former Chief Investment Officer, Relevate Power
Former Director, Renewable Energy Investment Banking, CIBC
Project Finance, Tax Equity & Capital Markets Leader -

Priya Swamy
SENIOR ADVISOR
Senior Director, Business Development & Regulatory, Aether Fuel
Former Federal Project Engineer, DOE Loan Programs Office
Former Operations Supervisor, DOE Hydrogen & Fuel Cell Technologies Office
Advanced Energy & Industrial Decarbonization Leader -

Austin Smith
SENIOR ADVISOR
Principal, Clean Growth Advisors
Product & Program Leader
Former Director, Nielsen
Clean Energy Operator -

Jonathan Siskin
SENIOR ADVISOR
Co-Founder, Georgia Cleantech Innovation Hub
Strategic Growth & Transformation Leader
Former SVP, Equifax -

Jerri Negash
SENIOR ADVISOR
Strategic Merger and Acquisition Advisor
Former Investment Banking Analyst, Goldman Sachs
Power & Digital Infrastructure Specialist -

SVEN MERTEN
SENIOR ADVISOR
Founder, spacepiglet venture advisory
Operating Partner, Beverly Ridge Capital
Former Managing Director & CEO, COMATCH US
Former Circular Economy Secondee, World Economic Forum
Former Senior Engagement Manager, McKinsey & Company
Sustainability and Resource Productivity Fellow
SERVICES
WORKSHOPS
Focused, one to five day, sessions designed to help leadership teams clarify strategy, assess risk, and make decisions at critical inflection points. Rooted in design-thinking, these workshops can focus on:
Market entry
Site Selection and Incentive Pursuit
Project Development
Non-dilutive Fundraising
State and Federal Policy
Ecosystem Building
Community and Stakeholder Engagement
Workshops can be located:
Onsite at your headquarters or project location
A strategic hub like DC, NYC, LA, SF, London, or Zurich to facilitate follow-on meetings
Outdoor destinations like Chattanooga, Seattle, or Zermatt with facilitated adventures to facilitate team consensus and relationship building.
PROJECT-BASED CONSULTING
Time-bound engagements focused on advancing a defined initiative from concept to execution. These projects combine strategic analysis with hands-on support to reduce risk, accelerate progress, and prepare initiatives for investors, customers, and public-sector stakeholders.
Typical engagements focus on:
Market entry and U.S. expansion
FOAK and pilot project development
Site selection and incentive structuring
Non-dilutive funding strategy and application support
Stakeholder, utility, and agency engagement
Investor-ready positioning and execution planning
Project-based consulting is scoped around clear objectives, timelines, and deliverables, and is well suited for companies navigating critical technical, financial, or policy milestones.
STRATEGIC ADVISORY
Ongoing access to senior strategic judgment without predefined deliverables. This service is designed for founders and executives who benefit from regular, trusted external perspective as decisions evolve in real time.
Advisory support may include:
Live discussion of strategic tradeoffs and risks
Review of investor, partner, or agency materials
Rapid feedback on policy, market, or siting developments
Preparation for key meetings, negotiations, or announcements
Warm introductions to key industry stakeholders
Strategic Advisory support is typically delivered through regularly scheduled calls and ad-hoc consultations, allowing leadership teams to move faster and with greater confidence as circumstances change.