Meet the Team was founded in February of 2015, and is where fitness goals are born, and come to life. Find your next event as well as sign up for training in the same place!

Efim Gendler


Prior to founding Thea, Efim worked at IBM, Motorola, and Magic Solutions as Head of Search Technology where he developed search engine and early Artificial Intelligence systems which were licensed to Microsoft, AT&T, Ziff Davis, and Intel.

Efim later co-founded Trafficmedia an early pioneer of domain parking platforms and Cybertavern the first major investor in Quigo later acquired by AOL.

Efim holds a M.Sc. in Applied Mathematics from the Weitzman Institute of Science and a B.Sc. from the Technion – Israel Institute of Technology

Dennis Lastochkin


Dennis is the founder of Structured Domains, a marketplace development platform upon which Thea is built.

Along with his team, who perform technical wizardry on a daily basis, Dennis comes to Thea armed with a vast amount of technical knowledge. This ensures smooth operation, maximum uptime, and the best overall experience possible. He is an avid cyclist, a triathlete and a member of Violet Crown Sports Association.

Paul Goldman

Content Manager

Paul has hewn a pleasant lifestyle from bicycling over twenty-five years and tens of thousands of miles criss-crossing Central Texas. Experience with amateur racing, club ride hosting, and commuting, coupled with a Bachelor of Science degree from The University of Texas, Austin, has convinced him that a healthy lifestyle is possible when we're armed with the right knowledge and encouraging support. Now, if there was only a place where we could all meet to bike, swim, run, train, and compete

Aran Halvorsen

Marketing Manager

Aran comes to Thea with a background in bootstrapping startups in Oregon and Austin, TX. a lifelong outdoors enthusiast, you can find him running around Lady Bird Lake and cycling around the city.