Yelp
Mark Johnston is a software engineer with extensive experience in developing innovative solutions across various organizations. Since January 2014, Mark has been employed at Yelp, enhancing software functionality. Prior experience includes a consultancy role at Idibon, where Mark created a geolocation service for visualizing natural language data, and a software developer position at Columbia University, focusing on mobile data collection systems. From 2007 to 2010, Mark contributed to UNICEF's Innovation unit, notably developing the award-winning RapidSMS platform for SMS data collection. Earlier positions include a computer engineering co-op at Critical Link LLC, where Mark developed a test environment for FPGA design, and a software engineering co-op at L-3 Communications, which involved porting a graphics engine to Linux. Mark holds a B.A. in Philosophy and Computer Science from New York University and has completed coursework at the Rochester Institute of Technology.
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Yelp
96 followers
Yelp connects people with great local businesses. Its users have contributed over 100 million reviews of almost every type of local business, from restaurants, boutiques and salons to dentists, mechanics, plumbers and more. Yelp's business revolves around the connections made between the consumers who read and write reviews and the local businesses that they describe. Yelp was founded in San Francisco in July 2004.