Premium Association Strategic Advisors

Next-Level Strategy for Leading Associations at an Inflection Point.

If You Are a CEO Facing These Challenges...

Strategy Relevance Drift

Your strategy is losing relevance as the industry evolves.

Board Misalignment

Your Board is not aligned on the priorities that matter most.

Member Value Proposition Gaps

Your value proposition lacks clarity across member segments, especially in advocacy, collaboration, and education.

Absent Prioritization Framework

Your team is chasing too many priorities without a clear framework.

Declining Member Engagement

Member engagement is declining across boards, committees, and key events.

AI Strategy Gap

AI is moving fast, but you lack clarity on where to focus and how to implement.

Revenue Under Pressure

Costs are outpacing revenue and putting pressure on reserves.

Why CharterOak

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Years advising $10M-$100M+ associations

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CEO & Board trusted advisor relationships

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27 wins & no losses to top-tier consulting firms

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Growth generated for best practice client

The Only World-Class Strategic Advisory Firm for Leading Associations.

Consulting +

Led by partners from world-class management consulting firms such as BCG, Oliver Wyman, Accenture, AT Kearney, Deloitte + investment banking, M&A, PE executives from Blackstone, JP Morgan Chase, Credit Suisse, and others.

Private Wealth Support

Backed by Willow Park, a private wealth fund built for one market ⏤ associations ⏤ so that we can serve leaders without compromise.

Premium Focused

Integrated advisory model designed specifically for $10M-$100M+ associations by providing strategy, operating model, and back-office support.

Real-Time AI Leadership

Providing AI strategy, data readiness, and implementation support to streamline operations, increase productivity, drive new revenue, and ensure responsible governance.

Our Team

Mike Matheis

Founder & Managing Partner

Tom Kohn

Senior Partner

Ralph Vasami, esq.

Senior Partner

Scott Hefter

Partner, Strategy & Operations

Janka Mifsud

Partner, AI & Digital Platforms

Raina Gandhi

Partner, Leadership & Organizational Development

Hunter Williams

Partner, Strategy & Operations

Abha DasGupta

Partner, Strategy, Product & Growth

Bill Keating

Partner, Strategy & Operations

John Jacobs

Partner, Association Operations & Member Engagement

Amara Shomali

Principal, Marketing & Strategy

Trusted by Leading Associations Globally.
Proven Across Industries.

  • (BPI) Bank Policy Institute
  • (SIFMA) Securities Industry and Financial Markets Association
  • (GARP) Global Association of Risk Professionals
  • (RMA) Risk Management Association
  • FEBRABAN
  • LIMRA and LOMA
  • (IIF) Institute of International Finance
  • (GBBC) Global Blockchain Business Council
  • (CCI) Crypto Council for Innovation
  • (FMI) Food Industry Association
  • (CGF) Consumer Goods Forum
  • EuroCommerce
  • (ECR) Efficient Consumer Respons
  • (WTTC) World Travel & Tourism Council
  • (AHLA) American Hotel & Lodging Association
  • (CLIA) Cruise Lines International Association
  • (BIO) Biotechnology Innovation Organization
  • (AHIP) America’s Health Insurance Plans
  • (AHA) American Hospital Association
  • (ABPI) Association of the British Pharmaceutical Industry
  • (NACS) National Association of Convenience Store
  • (OESA) Original Equipment Suppliers Association
  • (AAI) Alliance for Automotive Innovation
  • (ANA) Association of National Advertisers
  • Catalyst
  • Partnership for New York City
  • (AFP) Association for Financial Professionals
  • Junior Achievement
  • (NAW) National Association of Wholesaler-Distributors
  • Natcast – U.S. Department of Commerce Chips Consortium

Contact Us

Start the Conversation

If your strategy needs a reset, let’s talk. Whether you’re navigating growth, change, or complexity, we bring clarity and momentum to what’s next.

CharterOak partners with a select number of associations each year on a retained basis. Reach out to explore our fit. Our retained model allows us to become a trusted extension of your leadership team.

Connect with Mike Matheis

Mike Matheis

Founder & Managing Partner

Trusted advisor to association CEOs and Boards; leads strategy, growth, and transformation initiatives.

  • Founded Oliver Wyman’s Global Industry Association Practice
  • Managing Director, Accenture (Global Marketing Transformation; Growth & Innovation)
  • Practice Leader, Consumer Products & Retail, A.T. Kearney
  • Selected for CEO-sponsored General Management Development Program, Procter & Gamble

B.S., Cornell University
Executive Master’s Program, Kellogg School of Management, Northwestern University

Tom Kohn

Senior Partner

Strategy leader, operator, and educator with experience across venture-backed companies, media, and executive education.

  • Founder & CEO, Transactis (acquired by Mastercard); CEO, Bid4Assets
  • Chief Revenue Officer, USAToday.com; Chief Digital Officer, Cygnus B2B Media; Producer, Ogilvy advertising
  • Strategic Advisor, Willow Park Private Wealth
  • Senior Professorial Lecturer & Program Director (full time), Kogod School of Business, American University

B.A., Stanford University
M.B.A, Harvard University

Ralph Vasami, esq.

Senior Partner

Strategy and public affairs leader with experience advising associations on growth, stakeholder alignment, and industry impact.

  • Board Member, Willow Park Private Wealth
  • Executive Director: Attachments Energy Rating Council, PET Resin Association, Window Covering Manufacturers Association, and Builders Hardware Manufacturers Association
  • Chairman, Vinyl Window & Door Institute (advanced adoption in Model Building Codes)
  • President & Chief Strategy Officer, Kellen; Executive Vice President; Group Vice President

B.S., New York University, magna cum laude
J.D., Elizabeth Haub School of Law at Pace University (Law Review)

Scott Hefter

Partner, Strategy & Operations

Seasoned CEO, COO, and consulting partner with 35+ years leading strategy, transformation, and operations across private, public, and social sectors.

  • Partner & Managing Director, BCG. President BCG Federal
  • Lead for US Management Consulting Practice, PwC; Member of Global Consulting leadership Team; Global Lead Partner, Data & Analytics
  • Global Managing Partner & CEO, PRTM Management Consultants (acquired by PwC); early career with A.T. Kearney and Deloitte 
  • Chief Operating Officer, AmeriCorps  
  • Chief Marketing & Business Development Officer Private Sector, Abt Associates 
  • Fellow, Harvard Advanced Leadership Initiative; named to Consulting magazine’s 25 Most Influential Consultants 

M.B.A., Rutgers University 
B.A., Connecticut College

Janka Mifsud

Partner, AI & Digital Platforms

Strategic technology advisor and entrepreneur; helps organizations design, build, and scale AI-enabled platforms, automation systems, and data-driven digital products. 

  • Founder & CEO, BrainyYack. Digital product and platform company delivering AI-enabled systems across industries and global markets. Technology advisor and architect to organizations implementing AI, automation, and scalable platforms.
  • Software development leader, Genesis. Built and commercialized enterprise CRM and manufacturing workflow systems adopted globally. 20+ years applying modern engineering, data, and automation to solve complex business problems and drive operational efficiency.

B.Comm (Information Technology), Toronto Metropolitan University
Computer Programmer Analyst diploma, Conestoga College

Raina Gandhi

Partner, Leadership & Organizational Development

Executive advisor and leadership strategist helping organizations transform by equipping high-potential leaders and their teams to master transitions, command presence, and build enduring cultures. 

  • Founder & CEO of Rising Tide Consulting. Executive coaching and leadership advisory firm driving organizational effectiveness and culture transformation at scale.
  • Higher Education Leadership. Executive leadership roles that shaped institutional strategy and led high-performing teams at Johns Hopkins University and peer institutions. 
  • Global Finance & Development. Investment banking at JPMorgan Chase and BNP Paribas and international development initiatives across India.
  • Certified executive, leadership, and organizational development coach (ICF-ACC), change management professional (CCMP), and CliftonStrengths facilitator.
  • Deliver keynotes and workshops at conferences and for organizations on leadership, organizational change, burnout, and limiting beliefs, providing insight for audiences across industries (law, medicine, technology, corporate, nonprofits, CPG).
  • Named to NY Weekly’s Top 20 Inspiring Female Entrepreneurs to Follow (2025).

MBA, The Wharton School, University of Pennsylvania 
BA, Barnard College, Columbia University
London School of Economics, General Course

Hunter Williams

Partner, Strategy & Operations

Strategic advisor to association CEOs & Boards, company executives, and financial sponsors on growth, performance, and value creation.   

  • Partner in Consumer Products & Retail, Oliver Wyman; Chicago Office Leader
  • Partner, OC&C Strategy Consultants
  • Fluent in Mandarin Chinese, with nearly a decade of experience working in Asia

MPhil, University of Cambridge
B.A., University of Florida

Abha DasGupta

Partner, Strategy, Product & Growth

Strategic advisor and operator; helps organizations define growth strategy, scale products, and drive operational performance across SaaS, fintech, edtech, and nonprofit sectors.

  • Founder & Partner, STRATVY Consulting
  • General Manager, Education Payment Products, Vanco
  • Chief Product & Strategy Officer / VP Corporate Strategy & Operations, QOMPLX
  • Vice President/General Manager, Innovative Products, eDriving
  • General Manager & Vice President, Consumer Product, K12
  • Product leadership and consulting roles at AOL and KPMG

M.B.A., American University (Kogod School of Business)
B.A., Virginia Tech

Bill Keating

Partner, Strategy & Operations

Trusted advisor to CEOs and Boards on growth strategy, organizational redesign, and performance improvement across complex enterprises.
  • President & CEO, Rapid Services Group
  • Strategy consultant, Mercer Management Consulting
  • M&A advisor, Blackstone
  • M&A advisor, Credit Suisse First Boston
  • COO, Bid4Assets
  • Director of Strategic Planning, AmeriChoice Health Services ($1B)

M.B.A., Harvard Business School
B.A., Dartmouth College

John Jacobs

Partner, Association Operations & Member Engagement

Association and nonprofit executive with 30+ years building member engagement, partnerships, and operations across global trade associations. 

  • COO, Center for Collaborative Intelligence (CCI)
  • COO, Council on Tall Buildings and Urban Habitat
  • Practice Leader, Hartman Executive Advisors
  • Vice President, Membership, Marketing & Business Development, Telecommunications Industry Association
  • Head, Marketing & Business Development Division, ITU (Telecom Secretariat), United Nations

B.A., American University 
M.B.A., Georgetown University

Amara Shomali

Principal, Marketing & Strategy

Leads positioning, go-to-market strategy, and execution; translates strategy into growth and market impact.

  • Brand, Positioning, and Go-to-Market Strategy, CharterOak
  • Strategic Planning and Operational Excellence, Kellen
  • Healthcare Policy, U.S. Senate
  • C-Suite Support, National Health Initiatives, Reagan-Udall Foundation for the FDA

B.A., Walsh University, cum laude
Running Start 2019 Alumna