TSO3 Inc. announced that it has appointed Dr. Doug Dieter to its board of directors. Dr. Dieter is currently a Managing Director at Ares Management, where he is responsible for investments across the healthcare spectrum, including inpatient and outpatient healthcare services, health insurers, medical device and pharmaceutical and biotech companies. Prior to joining Ares Management in 2016, Dr. Dieter was a Senior Analyst at Western Asset Management Company, where he was responsible for healthcare and technology high yield and loan investments.