David Williams

VerticalResponse, Inc. provides web-based direct marketing email solutions. It offers self-service marketing solutions for small businesses including email marketing, social media, online event marketing, postcard marketing and online surveys. The firm also bundles e-mail, online surveys and postcards to its customers. VerticalResponse was founded in 2001 by Janine Popick and is headquartered in San Francisco, CA.

Yellowpages.com LLC operates Internet pages and search directory. It offers searchable directory listings for a particular item, business, event, location or service. Yellowpages.com was founded on April 4, 1996 by C. Ronald Oister, Bill Povondra & Dane Madsen and is located in Glendale, CA

HelloWorld, Inc. engages in the creation of campaigns for mobile, social media, and websites. Its solutions encompass auction, points-based rewards, integrated platform, continuity, punch card, community, promotion overlays, social loyalty, and mobile loyalty. The company was founded by Joshua M. Linkner in 1999 and is headquartered in Southfield, MI.

Lookout, Inc. provides mobile security software solutions for individuals and enterprises. It delivers protection from physical threats like phone loss and theft, malicious software, and backs up highly personal data. The firm provides people the ability to locate, lock, and wipe a missing phone. Lookout mobile threat network scans applications worldwide that allows users to find and stop threats. The company was founded by John Hering, James Burgess, and Kevin Mahaffey in 2004 and is headquartered in San Francisco, CA.

Zendesk, Inc. engages in the provision of a customer service platform which enables companies to provide customer support. Its products and services include support, guide, chat, talk, message, inbox team email, explore, connect plus outbound, integrations and apps, embeddables, insights and analytics, and products update. It also features a ticketing system, community forums, help desk software, IT help desk, security, and tech specs. The company was founded by Mikkel Asger Svane, Morten Primdahl, and Alexander Aghassipour in 2007 and is headquartered in San Francisco, CA.