LEADERSHIP
Meet our
Leadership Team.
Chief Executive Officer
Brad Olson
National Medical Director
Dr. Scott Braunstein
Dr. Braunstein has practiced in Southern California for 20+ years, and has become one of the most widely known and respected physicians in his field. He trained in Internal Medicine at Cedars Sinai and Emergency Medicine at UCLA, and is double board certified in both specialties. Prior to joining Sollis, he was a Clinical Instructor of Emergency Medicine at Cedars-Sinai for 15 years, where he served on a number of leadership committees. Dr. Braunstein directed the annual Cedars Sinai Emergency Medicine Symposium, where he delivered dozens of cutting edge lectures, many of which were nationally published. Dr. Braunstein has also served as Airway Management Physician for the LA Rams of the NFL, and has provided expert commentary for CNN, ESPN, NBC, Forbes, and many other media outlets.
Chief Operating Officer
Jia Jia Ye
Jia Jia is an expert in scaling tech-enabled healthcare companies that focus on elevating patient experience. Most recently, she co-founded and led Springtide Child Development as CEO, pioneering integrative and evidence-based autism care to transform patient outcomes in this field. At Oscar Health Insurance, Jia Jia established industry-leading customer and provider support systems as VP of Service Experience, leading Oscar to become the highest-rated customer experience in the insurance industry. At One Medical Group, she played a key role in national expansion as Director of Operations. Jia Jia’s career began in healthcare investment banking and venture capital. She holds an MBA and MPH from UC Berkeley, and a BA in Economics from Harvard College.
SVP of Human Resources
Libby Erensen
Libby oversees People Operations, Talent Acquisition, and Organizational Development for Sollis. She began her career in HR working for Verizon Wireless and NBC Universal. From there, she joined Oscar Health as a founding member of their people team. Libby scaled alongside the company from 100 to over 2,000 employees through IPO. During her tenure at Oscar, she was in a variety of HR Roles including senior HRBP for Oscar’s C-suite. Libby then joined Spring Health as VP of People and built the People Operations function from the ground up during a similar period of rapid growth. Libby holds a BA from Dickinson College and a Master’s degree from Cornell University in Industrial Labor Relations.
SVP of Revenue
Justin Reinsberg
Justin oversees all revenue operations, customer growth strategies, and customer success for Sollis. As the former Chief Financial Officer for Golden Age Hospitality, he was responsible for overseeing the group’s finance and business development functions, building up their financial infrastructure, and scaling revenue by 500%. He also previously worked for Neuehouse, where he spearheaded their Series B and led a restructuring effort that resulted in unit-level profitability. Justin holds a BA from the University of Pennsylvania.
SVP of Marketing
Elyssa Dimant
Elyssa brings over 15 years of experience leading full stack marketing and creative teams to Sollis. As Chief Brand & Communications Officer at the high-growth nutrition company ByHeart, she developed the consumer brand and commercial team, and spearheaded the launch of the company’s inaugural infant formula, securing over 7B+ earned media impressions within the first three months of its release. As J.Crew’s Vice President of Global Brand Marketing and Experience, Elyssa lead the most successful fashion launch on Amazon to date, enhancing the brand’s digital efficiency. She has driven up to 40% YoY growth for startups in fashion, tech and CPG verticals – notably as founding marketing lead at maternity juggernaut HATCH. Elyssa serves as a commercial advisor for Hello Therapeutics, focused on the women’s healthcare journey.
