Complex sentence: Dr. Orsak is also a Trustee of Southwest Research Institute, San Antonio, Texas, one of the state's largest research and development enterprises and he has also served as Chairman of the Board for the Da Vinci School in Dallas, TX.
Split into simpler sentences: Dr. Orsak is also a Trustee of Southwest Research Institute, San Antonio, Texas, one of the state's largest research and development enterprises. He has also served as Chairman of the Board for the Da Vinci School in Dallas, TX.