Team
Portrait of Tachi Callas, a smiling man with gray hair and a beard, wearing glasses and a plaid shirt, set against a blurred background.

Tachi Callas

Director, Mechanical Engineering

Before joining Triple Ring in 2013, Tachi brought over 15 years of Engineering leadership to Guidant, Boston Scientific, Getinge, and Angiodynamics. He has worked in all phases of product development to bring pioneering devices to market that enabled Endoscopic Vessel Harvesting, Beating Heart Bypass Surgery, and non-thermal ablation of soft tissue tumors. Tachi has 34 issued patents in medical device design and technologies. Prior to working in Med Tech, Tachi developed industrial wood milling and fabric-converting equipment.

Tachi holds a Bachelor of Science in Mechanical Engineering from Cornell University.

Let’s solve hard problems together.

Triple Ring is a co-development company. We stand side-by-side with innovators and entrepreneurs to solve hard problems, launch breakthrough products, and create new businesses.