Joseph Essas is the current CTO of Opentable.com and a Venture Partner at FirstMark Capital. He previously served as the CTO of eHarmony.com and was a Vice President of Engineering of Yahoo!. He has over 16 years of experience in the information technology industry in various high-tech management positions such as Chief Technology Officer, chief architect, and vice president of engineering. Mr. Essas held several senior positions in technology companies including Overture, Idealab and Tickets.com.