What's Next for Blockchain?


  • Fred Bazzoli (Moderator) Health Data Management, Editor
  • John Bass Hashed Health, Founder and CEO
  • Brian Behlendorf Hyperledger, Executive Director
  • John D. Halamka, MD, MS Beth Israel Deaconess System, Chairman, New England Healthcare Exchange Network (NEHEN), Co-Chair, HIT Standards Committee, Professor, Harvard Medical School
  • Tom Trowbridge Hedera Hashgraph, President


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Author Biographies

Fred Bazzoli (Moderator), Health Data Management, Editor


As Editor in Chief, Fred coordinates Health Data Management’s editorial operations, with oversight of digital news, print publications and special projects. Fred was most recently senior director of communications at the College of Healthcare Information Management Executives (CHIME), an organization of health care CIOs and other IT professionals, where he produced research reports and supported CHIME’s education and certification efforts. He also has an extensive background in covering healthcare IT. Follow Fred at @fbazzoli on Twitter, or contact him at fred.bazzoli@sourcemedia.com

John Bass, Hashed Health, Founder and CEO


Hashed Health is a healthcare innovation firm focused on accelerating the design, development and meaningful utilization of blockchain technologies and networks. John has over 20 years of experience in healthcare technology with expertise in collaborative health platforms, patient engagement, systems integration, supply chain, clinical performance and value-based payments. At Hashed Health, John’s team partners with public and private sector clients to develop distributed and decentralized solutions that solve health delivery challenges. John is an internationally recognized speaker on blockchain and decentralized healthcare technology. Prior to Hashed Health, John was CEO at InVivoLink, a surgical patient registry and care management start-up which sold to HCA in 2015. John’s experience also includes healthcare B2B startup empactHealth.com which was acquired by Medibuy / Global Healthcare Exchange. John is a native of Nashville and has a Chemistry degree from the University of North Carolina, Chapel Hill.

John D. Halamka, MD, MS, Beth Israel Deaconess System, Chairman, New England Healthcare Exchange Network (NEHEN), Co-Chair, HIT Standards Committee, Professor, Harvard Medical School


Dr. Halamka completed his undergraduate studies at Stanford University, where he received a degree in medical microbiology and a degree in public policy with a focus on technology issues. He entered medical school at the University of California, San Francisco and simultaneously pursued graduate work in bioengineering at the University of California, Berkeley focusing on technology issues in medicine. He completed his residency at Harbor–UCLA Medical Center in the Department of Emergency Medicine.

In his role at BIDMC, Dr. Halamka is responsible for all clinical, financial, administrative, and academic information technology, serving 3,000 doctors, 12,000 employees, and 1,000,000 patients. As chairman of NEHEN, Dr. Halamka oversees clinical and administrative data exchange among the payers, providers, and patients in Massachusetts.   As a Harvard professor, he has served the George W. Bush administration, the Obama administration, and national governments throughout the world planning their healthcare IT strategy.

Dr. Halamka has authored five books on technology-related issues, hundreds of articles and thousands of posts on the popular Geekdoctor blog. He runs Unity Farm in Sherborn, MA and serves as caretaker for 150 animals, 30 acres of agricultural production and a cidery/winery.

Tom Trowbridge, Hedera Hashgraph, President


Mr. Trowbridge has been advising and investing in technology companies since 1996, starting his career as an investment banker in the telecom group of Bear, Stearns & Co. He began investing in early stage companies in 1998, when he joined the private equity firm Alta Communications. Over three and a half years he executed ten deals in technology, telecom, and media and served on two boards.  After Alta he spent almost four years at Goldman Sachs before holding various positions at Lombard Odier and Atticus Capital. Prior to joining Hedera as President, Mr. Trowbridge started and ran the New York office for UK-based Odey Asset Management.

Mr. Trowbridge has a BA from Yale University and an MBA from Columbia University with honors (Beta Gamma Sigma).



How to Cite

Bazzoli (Moderator), F., Bass, J., Behlendorf, B., Halamka, J. D., & Trowbridge, T. (2021). What’s Next for Blockchain?. Blockchain in Healthcare Today. Retrieved from https://blockchainhealthcaretoday.com/index.php/journal/article/view/77

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