Executive Team

Josh Crumb

Founder & CEO

A serial financial technology entrepreneur and former Goldman Sachs Executive Director and Senior Commodities Strategist, Josh combined his passion for energy markets and technological innovation to launch Abaxx.

He holds a Master of Science in Mineral Economics, a Graduate Certificate in International Political Economy and a Bachelor of Science degree in Engineering from the Colorado School of Mines.

Andrew Fedak

Chief Strategy Officer

Leading multiple startups from concept to commercialization, Andy brings strategic and growth experience to Abaxx. His success in multiple ventures across e-commerce and AI technologies combined with experience leading ESG-initiatives for natural resources projects in base metals, precious metals and coffee, establish a culture of innovation, diversity and data responsibility at Abaxx.

He holds a B.A. in Economics from The University of Western Ontario.

John Dutchak


With over 20 years as a Senior Full Stack Architect and Engineer, John Dutchak specializes in AI, cyber security, blockchain, IoT and fintech. He holds a Bachelor of Science and Masters of Mathematics and Computer Science from the University of South Florida

In his spare time, John plays high stakes no-limit Texas Hold’em when he is not buried in the matrix.

Nancy Seah

Abaxx Exchange Managing Director

Former Co-Head of the Trading Division at  Pavilion Energy and Head of Commodities Sales Asia, Goldman Sachs, Nancy brings extensive experience and relationships in risk management and energy derivatives trading. She holds a Chemical Engineering degree from the National University of Singapore.

Joe Raia

Chief Commercial Officer

An impressive background of commodities futures, Joe is a Former Managing Director, Head of Global Commodity Futures at Goldman Sachs and Global Head of Energy and Metals Futures and Options and CME/NYMEX. Prior to his tenure at the exchange, he was the Managing Director and Global Head of Energy Markets, RJ O’Brien & Associates

He holds a Bachelor of Science from SUNY Maritime Academy, USCG Master, All Oceans / All Tonnage

Dan McElduff

President, Strategy & Development

Former Senior Director at NYMEX Natural Gas, Clearport and Chief Regulatory Officer at the ELX Futures Exchange, Dan brings Natural Gas and Futures Exchange experience to guide the strategy and development of the Abaxx Exchange. He holds a Bachelor of Finance from Marist College.

Shanmei Lim

Vice President, Corporate Development

A former Director of Mirexa Capital and a strong background in FX Options Trading from her time at Barclays Bank, BGC Partners and Tullett Prebon. Shanmei brings her understanding of risk management, liquidity and derivatives to the Abaxx Exchange team.

She holds a Bachelor of Science in Mechanical Engineering from Carnegie Mellon University.

Gus Hadidi

Strategic Adviors, LNG

Formerly a Managing Partner at Enerleb Ventures, Gus brings a wealth of experience specific to LNG and Natural Gas commodities markets. He was part of the team at Fortress Investment Group, Energy Private Equity and Poten & Partners. He holds a Masters in Energy Economics and Chemical Engineering from Cornell University

Prashant Bhatnagar

Head of Exchange, Operations

Former VP of Operations for the Singapore Mercantile Exchange (SMX) with experience as an Operations Manager & Technology Development at National Stock Exchange of India Limited (NSEIL). Assistant VP, Clearing & Settlement Infrastructure, Singapore Exchange (SGX)

Tan Tock Siong

Chief Regulatory Officer

Tok is a former Chief Regulatory Officer, Asia Pacific Exchange and Singapore Mercantile Exchange/ICE. He was also the Singapore country Head of Compliance for the Bank of China, State Bank of India and Bank of Nova Scotia. He has held the position of Deputy Director/Lead Policy Analyst at the Monetary Authority of Singapore (MAS).

Tok holds an MBA from Simon Business School.

Ryan Ingram

Chief Risk Officer

Ryan’s background is in regulatory analytics, risk policy, strategy and management. He supported the Hong Kong Exchange (HKEX) and served in a credit risk management and advisory role with Goldman Sachs. He also supported risk policy at ISDA, CME Clearing and CME Group.