Venture Partner at Long Journey Ventures
View Live Interactive Profile →Justin Mares is a Venture Partner at Long Journey Ventures and is, per the firm's team page, currently the CEO and co-founder of TrueMed, a payments platform that enables health and wellness brands to accept HSA and FSA funds. Before TrueMed he founded Kettle & Fire, a shelf-stable bone broth brand, along with other companies in health and wellness, and he has launched Inflection Grants. Lee Jacobs' firm post of 21 December 2025 confirms he is a venture partner at Long Journey and describes the firm's pre-seed and Series A investments in TrueMed, which the post says is now the largest investment across all the firm's funds. He is recorded here as an operator and partner; TrueMed is his own company rather than an investment attributed to him, so notableInvestments is empty.