General:

Born in the Netherlands and raised in Princeton, New Jersey, and in Honolulu, Bill Henthorn now makes his home in San Francisco. (See what he looks like.) He has founded 7 businesses, including a marketing consulting firm. Active in the community, he is founder and chair of a California nonprofit corporation. Bill has been an active speaker and leader in Toastmasters International, and led 700 San Francisco members. He's a graduate of Punahou School, the largest independent school in the United States, and of the University of California at Berkeley, where he holds a B.A. in Economics. He enjoys creating and leading organizations, meeting people, photographing nature, collecting books, coins, and stamps, reading, thinking, writing, listening, communicating, inhaling San Francisco's architecture and drinking its misty orange sunsets - and bodysurfing Oahu's dangerous Sandy Beach shore break in Honolulu.

Business:

Current and prior businesses he has founded, owned, or co-owned include:

• Listopica: parent company of:
  • Acquireo: listing marketplace for established businesses for sale
  • Zoomonga: photo sharing, storage, and social networking
  • DaytimeNews: web-based news syndication via RSS feeds
  • eBaboon: human-edited web directory
• Spiral Marketers: marketing consulting: partnerships, strategy, web design
• Parc Properties: condominium real estate investment fund
• Ate at Eight: publisher of digital documents
• Momentum Learning Systems: corporate learning & development
• Ideal Homes: Honolulu-based condominium real estate brokerage
• IDI International Marketing: wholesale/retail silk flower & plant company
• DYI Referral Service: residential contractors referral service
• API International: veterinary clinic chain startup

Community:

In February 2002, he founded, organized, and began serving as president of the board of Punahou NorCal, the official Northern California chapter of the Punahou School Alumni Association, to bring together 2300 alumni for friendship, growth, and success through events and mentoring, and to promote Hawaii culture throughout Northern California. Membership is open to all interested parties.

In August 1999, Bill joined Toastmasters International. He recently led 700 members in 25 downtown San Francisco clubs as a division governor, achieving #1 division membership growth and #1 division educational completions. Prior to that, he served as president of one of his Toastmasters clubs, Red Cross Rhinoceros Business Toastmasters Club. He was recognized in 2000 as #2 Membership Recruiter among 3500 members. Between his 3 clubs, he has held 6 of 7 officer positions. He recently served as a club mentor to Main Street Maniacs, designed their award-winning website, and mentored division governors, area governors, club presidents and other officers, and new members throughout the San Francisco Bay Area. His Toastmasters writing contributions have appeared in publications in Germany, New Zealand, Canada, the US, and on a number of websites.