Robby Chang Headshot

Robby Chang

Chief Executive Officer, President and Director

Robby Chang has served as Gryphon’s Chief Executive Officer and a director since the closing of the Business Combination and as Legacy Gryphon’s Chief Executive Officer and a director since January 14, 2021. Mr. Chang has also been a director of Fission Uranium Corp. (TSX: FCU), a mineral exploration company, since April 2018, a director of Ur-Energy, Inc. (NYSE American: URG), an exploration stage mining company, since March 2018, and a director of Shine Minerals Corp., a company engages in the acquisition, exploration, and evaluation of mineral properties, since November 2018. Mr. Chang is also the Chief Executive Officer and founder of Chang Advisory Inc., a consulting service company, since December 2020. Prior to that, from August 2019 to January 2021, Mr. Chang was an independent consultant for traditional mining and crypto currency companies. From July 2018 to March 2020, Mr. Chang was a member of the board of advisors of District Metals Corp. (TSX.V: DMX), a mineral exploration stage company. From February 2018 to August 2019, Mr. Chang served as CFO of Riot Platforms, Inc. (Nasdaq: RIOT), a provider of Bitcoin mining and data center hosting, and oversaw the company’s business operations, investor relations and finances. From January 2011 to January 2018, Mr. Chang was the managing director and Head of Metals and Mining Research of Cantor Fitzgerald. Mr. Chang graduated from the Rotman School of Management at University of Toronto with his MBA in 2006.

Simeon Salzman Headshot

Simeon Salzman

Chief Financial Officer and Secretary

Simeon Salzman has served as Gryphon’s Chief Financial Officer since the closing of the Business Combination and joined Legacy Gryphon’s management team as the Chief Financial Officer on June 19, 2023. Mr. Salzman is an accomplished financial executive with a diverse background in overseeing financial functions and driving growth. From late 2020 to March 2023, Mr. Salzman served as the Chief Financial Officer and Chief Accounting Officer for Marathon Digital Holdings, Inc. (Nasdaq: MARA), a digital asset technology company. During his tenure, the company experienced significant market capitalization growth, peaking at $8 billion, up from the market capitalization of $500 million. In addition, he was an integral part of the negotiations with major investment firms and was able to secure substantial capital investments utilizing debt and equity offerings totaling approximately $2 billion dollars. Prior to that, from July 2018 to October 2020, Mr. Salzman served as the Chief Financial Officer of the Las Vegas Monorail Company, where he managed the financial operations of a completely electric, zero-emission driverless monorail transit system that served approximately 4.6 million passengers annually. During his tenure, he implemented effective financial strategies, ensuring compliance and achieving significant cost savings. Before joining the Las Vegas Monorail Company, Mr. Salzman held the position of Chief Financial Officer for Wendoh Media and Corner Bar Management from May 2015 through July 2018. He successfully revitalized various food and beverage establishments in Downtown Las Vegas by streamlining operations resulting in double-digit returns to the bottom line. Mr. Salzman holds dual degrees with a Bachelor of Science in Accounting and a Bachelor of Arts in Criminal Justice & Criminology from the University of Maryland, College Park. He is also a Certified Public Accountant.