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Joseph Essas

Chief Technology Officer @ OpenTable

Chief Technology Officer, OpenTable

Greater Los Angeles Area

Ranked #833 out of 16,660 for Chief Technology Officer in United States

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Joseph Essas's Email Addresses & Phone Numbers

Joseph Essas's Work Experience


Chief Technology Officer

July 2012 to Present

FirstMark Capital

Venture Partner

2011 to Present

Greater New York City Area

Chrome River Technologies

Board Member

2014 to Present

Los Angeles, CA

Joseph Essas's Education

Jerusalem College of Technology

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Joseph Essas's Estimated Salary Range

About Joseph Essas's Current Company


Leading Engineering, Operations and Data Science teams - connecting diners and restaurateurs. Teams focus on innovative software solutions for restaurants, which in turn exposes real time availability to diners for online reservations. Operating real time software for 30k+ restaurants in 6 countries, and seating 15mm+ diners per month. Driving very diversified technology stack - developing software in...

Frequently Asked Questions about Joseph Essas

What company does Joseph Essas work for?

Joseph Essas works for OpenTable

What is Joseph Essas's role at OpenTable?

Joseph Essas is Chief Technology Officer

What is Joseph Essas's personal email address?

Joseph Essas's personal email address is j****[email protected]

What is Joseph Essas's business email address?

Joseph Essas's business email addresses are not available

What is Joseph Essas's Phone Number?

Joseph Essas's phone (**) *** *** 248

What industry does Joseph Essas work in?

Joseph Essas works in the Internet industry.

Who are Joseph Essas's colleagues?

Joseph Essas's colleagues are Lesley Yuen, Laudan Fatemi, Richard Hopton, Erik Petersen, Phillip Pansoy, Wesley Cho, Yuri Kretov, Shawn Ward, Neil Menne, and Sanjay Manghnani

About Joseph Essas

📖 Summary

Over 20 years of experience in IT Industry, in various high-tech management positions (CTO, CPO, Chief Architect, and VP of Engineering) as well as engineering positions. Current areas of expertise include matching technologies, search engines; large scale web based transactional systems, software architecture and process analysis, advertising systems and ad networks. Extended technology management experience includes management of software development teams for mid-size and large companies as well as writing software for Unix and WIndows environments. Worked as a private equity professional, in one of the leading hedge funds on Wall Street. As an investment professional – areas of investment included security infrastructure, storage networking and enterprise software.Chief Technology Officer @ Leading Engineering, Operations and Data Science teams - connecting diners and restaurateurs. Teams focus on innovative software solutions for restaurants, which in turn exposes real time availability to diners for online reservations. Operating real time software for 30k+ restaurants in 6 countries, and seating 15mm+ diners per month. Driving very diversified technology stack - developing software in Node.js, Ruby, Java and C#. Enabling huge growth in native mobile apps on all platforms - translating into 40+% of all diners booking reservations on mobile devices. From July 2012 to Present (3 years 4 months) Venture Partner @ From 2011 to Present (4 years) Greater New York City AreaBoard Member @ From 2014 to Present (1 year) Los Angeles, CABoard Member @ From March 2015 to Present (8 months) Denver, COChief Technology Officer @ Responsible for building a 100 person team, including engineering, machine learning, operations, data analytics. Transformed core matching technologies of eHarmony into machine learning modeling and Hadoop driven stack, using graph optimization algorithms for optimizing most efficient relationships among participants of the network. Nurtured relationships with premier CS faculties in the world (Harvard, Brown etc) - to guide and advise on topics of linear programming, graph optimization and machine learning. Drove operational efficiency by streamlining budgeting, prioritization and agile development. From November 2010 to July 2012 (1 year 9 months) Vice President, Engineering and Operations @ Ran all product development, production operations, deployment and long term architecture. Key improvements in reliability of service, matching quality and precision, and speed of development. Focused on simple, scalable solutions for SOA, reflected with APIs widely used internally and with mobile apps. Launched datacenters with DR capabilities, monitoring systems, and introduced performance management. From April 2008 to November 2010 (2 years 8 months) Vice President, Engineering @ Led sponsored search and content monetization engineering teams. Launched several new products and was responsible for over $1B in total revenue flowing through small transactions. Transformed old technologies and systems into Yahoo software stack and was a key member of the leadership team that undertook one of the most ambitious and complex projects in Yahoo's history involving over 1000 people. From June 2002 to April 2008 (5 years 11 months) Principal @ One of five investment professionals managing over $200 million in committed equity capital. Member of the Investing Committee. Active involvement in all portfolio company matters including directly recruiting senior management (CEO, CFO, etc.), leading and managing additional financing efforts, and technological roadmaps. Member of the Board of Directors of two portfolio companies. Negotiated the sale of a portfolio company to a publicly traded competitor, resulting in a profit on initial investment to the fund, as well as led successful capital and operational restructuring of two legacy portfolio companies. Actively worked with co-investors in portfolio companies including: Mellon Ventures, JAFCO, Clearstone Venture Partners, DFJ and others. From March 2001 to June 2002 (1 year 4 months) Vice President, Technology and Company Development @ From November 1999 to March 2001 (1 year 5 months) Chief Technology Officer @ From January 1998 to November 1999 (1 year 11 months) Director, R&D @ From 1994 to 1997 (3 years) Joseph Essas is skilled in: Engineering, Product Development, Architecture, Software Development, E-commerce, Scalability, Integration, Computer Science, Mobile, Search, Entrepreneur, iPhone, Cloud Computing, Product Strategy, Hadoop, Due Diligence, Matching, Technology Leadership, Product Management, Mobile Devices, Entrepreneurship, Leadership, Unix, Mobile Applications, Team Building, NoSQL, Strategic Thinking, Enterprise Software, Analytics, Distributed Systems, Start-ups, SEM, Software Project..., Data Center

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In a nutshell

Joseph Essas's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

2 year(s), 5 month(s)

Joseph Essas's Willingness to Change Jobs



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