Kyle Williams

Blue Macellari is Head of Digital Asset Strategy at T. Rowe Price, where he focuses on the investment and operational implementations of cryptographic tokens, coins, protocols, exchange-traded funds, and derivatives supported on blockchain technologies. He has been in the role since August 2022 and holds 26 years of investment experience, with three of those at T. Rowe Price. He is based in Bethesda, Maryland.

Prior to joining T. Rowe Price, Macellari was Managing Partner at Dunamis Trading from January 2018 to August 2022, where he co-managed a core crypto market neutral vehicle with a four-year track record and was named Digital Asset Manager of the Year at HFM's US Performance Awards in 2021. Before that, he served as an Emerging Markets Strategist at Lone Star Funds / Hudson Advisors, covering sovereign and sub-sovereign credit risk assessment for Latin America. From 2014 to 2015, he was an Emerging Markets Senior Strategist at TD Securities, where he launched research coverage of Latin American and broader thematic cross-regional emerging markets. Earlier in his career, he spent five years at Elliott Investment Management as an Emerging Markets Specialist, formulating and managing sovereign credit trades across EMEA and Latin America. He holds an MBA from Duke University's Fuqua School of Business.

David Kroger is Director, Digital Asset Research at T. Rowe Price, a position he has held since March 2025. In October 2025, he is scheduled to participate as a panelist at DigiAssets US on the topic of stablecoins, CBDCs, and tokenized deposits.

Prior to joining T. Rowe Price, Kroger served as Senior Vice President at StoneX Group from September 2023 to March 2025. Before that, he worked as a Digital Data Scientist at Cowen Inc. from March 2022 to May 2023, where he focused on research within a full-service investment banking context. Earlier in his career, he spent nearly five years at Piper Sandler as an Alternative Data and Intelligence Analyst in Equity Research, where he ran statistical models supporting internal and external research in equities and cryptocurrencies. His technical background includes Python, R, and SQL, with applied work in supervised machine learning, time series analysis, data collection, and feature engineering. His total professional experience spans approximately nine years.

Gerome Gregory is Director, ETF Trading Solutions at T. Rowe Price, a position he assumed in December 2024. His prior title at the firm was Vice President of ETF Trading Solutions and Digital Asset Trading. He holds CPA and CETF designations and is based in Baltimore, Maryland.

Before joining T. Rowe Price, Gregory served as Head Trader at Channing Global Advisors in Miami from October 2018 to December 2024, focusing on equity trading across global, Asia-Pacific, emerging, and frontier markets. Prior to that, he was Lead Global Equity Trader at Grandeur Peak Global Advisors in Salt Lake City from April 2015 to September 2018, covering the same geographic trading specialties. Earlier in his career, he was an Associate at PIMCO in Newport Beach from November 2012 to March 2015, and a Trader at Geomatrix (HK) Ltd, an Opera Solutions company, in Hong Kong from January 2011 to January 2012, where he worked at a quantitatively based hedge fund focused on earnings revisions. His total professional experience spans approximately 15 years.