John’s career has been singularly focused on using dynamic storytelling to drive healthcare collaboration and industry dialogue on issues impacting healthcare consumers, caregivers, healthcare professionals, media, policymakers and investors.

Prior to Quantum Health, John was Chief Communications Officer at Transcarent. Before that, he served as Senior Vice President of Corporate Communications at Livongo Health, where he directed the company’s strategic communications and investor relations activities for their 2019 IPO, the largest in consumer digital health history. In 2020, his team spearheaded Livongo’s communications efforts for the $18.5 billion merger with Teladoc Health.

Before Livongo, John led corporate communications, government affairs and strategic media relations programs for industry-leading digital health and healthcare technology companies, including athenahealth, Imprivata and CareCloud. At athenahealth, he was the chief architect for all facets of the company’s communications programs, including its IPO, M&A activity, national physician advocacy initiatives and thought leadership campaigns. At Imprivata, he helped execute the company’s post-IPO national awareness programs and market repositioning as a leading healthcare security and patient identification company, leading to its acquisition by Thoma Bravo.


  • Chief Communications Officer, Transcarent
  • SVP, Corporate Communications, Livongo Health
  • Vice President, Corporate Communications, Imprivata
  • Vice President, Corporate Communications, CareCloud
  • Director, Global Corporate Communications, athenahealth


  • Bachelor of Science degree in Communications from Radford University
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John Hallock