An Exceptional Team

Serial entrepreneurs in tech, media, and finance, as well as PhDs and Engineering leaders from Fortune 500 companies

Charles H. Silver


Charles is a successful entrepreneur who has founded and exited in 5 startups in technology, media and finance. He co-founded Reality Shares, which has 7 publicly traded ETFs including the first Blockchain equity ETF. In the dotcom era he built RealAge which was successfully sold to Hearst for over 9 figures.

Andy Shah


Andy brings more than 18 years of technology leadership and executive experience in both emerging and Fortune 500 technology companies to Permission.

Steven Wilkinson, CISSP, CBP


Steven, founder of Austin Bitcoin, is a certified cryptocurrency, blockchain and information security professional with more than 10 years of experience.



Bobby is a successful entrepreneur and marketing expert. He has founded several companies in multiple industries and is a proven guru at driving audience growth and record sales.

Matt Erhart

VP of Finance & Compliance

Matt holds FINRA Series 7, 66, and 24 licenses and brings more than 9 years of regulatory compliance and financial experience to Permission.

Michelle Ray

Director of Merchant Operations

Michelle brings more than a decade of networking, marketing, social media wizardry, and a love of the crypto economy to her role with Permission.

Therese Fahy

HR & Controller

Therese is Permission's Jack of All Trades. She currently runs the accounting, human resources and payroll divisions of our company.

Gary J. Sherman, PhD

Founding Mathematician

Gary has more than 35 years of experience as a professional mathematician, working throughout as a researcher, reviewer, and college professor.

Jenny Silver

VP of Communications

Jenny has over 20 years of executive experience in brand strategy, business development, and communications. She is an attorney and leadership consultant, and has served as a strategic advisor for numerous businesses and nonprofits.

Kris Lundberg

Art Director

A motion graphics art director with over 10 years of experience, Kris has worked on a breadth of projects spanning from non-profit to Fortune 500 campaigns.

Matt Keeler

DevOps Engineer

Matt is a recovering academic with a longstanding interest in the intersection of technology and privacy who geeks out on systems, networking, and architecture.

Gary Strader

Senior Development Engineer

Gary has been developing applications for nearly 20 years. He’s worked for large corporations, as well as several startups.

Jon Heller

Development Engineer

Jon has extensive experience packaging and deploying projects for many clients on multiple platforms.

Daniel Hiltbrand

Development Engineer

Daniel brings nearly a decade of UI and UX development and software engineering experience to Permission.

Will Minor

Development Engineer

Will has 3 years in Software Development, ranging from building custom RFID systems for the Aerospace Industry, to Logistics Planning applications for the Automotive Industry.

Advisory Board

Robin Bloor, PhD

Founder of Bloor Research

Robin has over 30 years experience in big data and information management. He has authored books on e-commerce, service management and cloud computing.

Richard Li

General Partner at

Richard has been investing in blockchain since 2012. He has advised several successful cryptocurrency offerings and is a seed investor in Permission.

Andrew Essex

Former CEO of Droga5

Andrew is an award-winning journalist, former CEO of Tribeca Enterprises, the parent company of the Tribeca Film Festival, and former CEO of Droga5.

Eric Ervin

CEO of Blockforce Capital

Eric is co-founder and CEO of Blockforce Capital, an award-winning ETF issuer and index provider.

Ichiro Minamikawa

CEO of Cointed Japan, Founder at Blockchain Tokyo

Tokyo-based Ichiro Minamikawa founded 10 companies in 30 years. He is CEO at Cointed Japan and director of several FinTech and HealthTech companies.

Rob Gregory


Rob Gregory is a media veteran with over 30 years experience in advertising, revenue growth, and brand strategy. Before joining Permission, Rob served as co-founder and President at WhoSay & as President of The Daily Beast, as well as Publisher of Maxim and Rolling Stone magazines.