John Hallock
Chief Communications & Marketing Officer
Quantum Health
John oversees all corporate communications, sales enablement and marketing functions to support the company's growth, brand awareness, market leadership and expansion. He and his team manage enterprise-wide communications and content strategy focused on the Quantum Health member and client experience along with overseeing an integrated marketing and sales performance program.
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 company’s 2019 IPO, the largest in consumer digital health history. His team spearheaded Livongo’s communications and market positioning strategy for the $18.5 billion-dollar merger with Teladoc Health, also the largest to date in the digital health employer industry. Before Livongo, John led corporate communications, government affairs and strategic marketing and brand engagement 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 brand awareness strategy, including its IPO, M&A activity, national physician advocacy initiatives and thought leadership programs. At Imprivata, he helped execute the company’s post-IPO national brand awareness, growth programs and market repositioning as a leading healthcare security and patient identification company, leading to its acquisition by Thoma Bravo. In 2024 PR News named John a Person of the Year for Chief Communicators and he is a past PR Week 40 under 40 honoree. He is a graduate of Radford University.