Advisory & leadership councils
Executive perspectives in practice.
Harvard Business Review Advisory Council · Member, August 2024–present. Contributes executive perspectives and feedback on management, leadership, strategy and emerging workplace issues.
National Small Business Association · Leadership Council, Economic Development Committee, December 2023–present. Focus areas include access to capital, innovation, small-business programs and economic development.
Small Business Technology Council · Leadership Council, December 2023–present. Focused on emerging technology, innovation, R&D commercialization and small-business policy.
Fast Company Executive Board · Member, December 2025–present. Participation in a vetted professional community of senior executives, founders and business leaders, not service on Fast Company's corporate board.
Industry board service
Construction, housing & infrastructure.
Building Industry Association of Washington · Board Member; Government Affairs, December 2022–December 2023.
Central Washington Home Builders Association · Board Member; Government Affairs, December 2022–December 2023.
Fiber Broadband Association · AI & Machine Learning Working Group, Deployment Specialists Committee and Middle Mile Working Group, September 2025–present.
Capital & professional communities
Finance, growth and commercial judgment.
Association for Corporate Growth (ACG), Seattle Chapter · Member, August 2026–present. Middle-market growth, capital and ownership transitions.
Association for Financial Professionals · Member.
National Association of Home Builders, U.S. Chamber of Commerce, Washington Association of Accounting & Tax Professionals and Kittitas County Chamber of Commerce · Professional memberships.
American Bar Association · Standard member with section/division participation in Business Law, Forum on Construction Law, Real Property, Trust and Estate Law, State, Local and Tribal Government Law, Criminal Justice, and Solo, Small Firm and General Practice. Membership does not imply attorney licensure or legal practice.
Mentorship & community
Contributing beyond the business.
Shadow Ventures · Pro bono Startup Advisor and Mentor, May 2021–present. Advises founders in construction technology, AEC and the built environment on business models, commercialization, growth and operating decisions. Separate from membership in the Shadow Ventures network.
Community sponsorship and support include Liberty Road Foundation, Matt Talbot Center, Boys & Girls Clubs of America, Leukemia & Lymphoma Society, Tunnel to Towers Foundation and The Salvation Army. Community & civic involvement →
Context
Experience first. Affiliations in support.
These roles reflect distinct types of involvement: advisory council participation, former board service, working-group activity, professional memberships, and volunteer mentorship. None should be interpreted as institutional endorsement of Karl, KSIG Advisors, or BlackBoxx.ai. Organizational marks are intentionally not displayed.