Management.

Grady Ryther has served as Chief Executive Officer and a director of Advasa Holdings, Inc. since August 11, 2025. He leads strategy, operations and partnerships as the company continues to expand its financial technology solutions.

His career has centred on digital payments and financial technology, including work on blockchain-enabled payment integration.

Mr. Ryther has founded and led several businesses. From September 2022 to August 2025, he founded and ran Grade-A Tutoring, a private tutoring company specialising in SAT preparation and advanced subjects. From February 2021 to May 2023, he founded and ran Pix-Elation, a retail business combining digital media with direct-to-consumer sales. From May 2018 to February 2021, he was managing director of ICON Parks Design, a landscape architecture and community development firm.

Mr. Ryther graduated cum laude from Harvard University in May 2010 with an A.B. in Physics and a secondary field in Economics.

Board profile

Katharyn (Katie) Field has a record in both operating leadership and strategy consulting, and has worked in the public sector as well.

She has been Chief Executive Officer and Chairman of Halo Collective Inc. since May 2019. Alongside that she has been an Executive Director of Akanda Corporation (Nasdaq: AKAN) since June 2022, and a director and Vice President of Virpax Pharmaceuticals, Inc. since July 2024. From March 2021 to March 2022 she was a director of Elegance Brands.

Ms Field has worked in the cannabis industry since 2014, playing a central role in the acquisition, build-out and sale of one of the original vertically integrated licensed medical marijuana treatment centres in Florida. She went on to run a strategy consulting practice focused on the sector, and from 2018 to 2019 was Executive Vice President of Corporate Development at MariMed.

Earlier in her career she held positions at The White House in the Office of the Public Liaison, at The Brookings Institution as Manager of Operations, and at Bain & Company as a Consultant.

Ms Field holds an MBA in Economics from Columbia Business School and a BA in Public Policy with honours from Stanford University.