sentences:  He is credited with popularizing this "OpenIPO" model, using Dutch auctions to allow anyone, not just investing insiders, to buy stock in an IPO, potentially raising more money for startups.Some of the companies he has helped have an IPO like this include Overstock.com, Ravenswood Winery, Andover.net and Salon.com.Hambrecht is also credited as one of the first major investment bankers to recognize the value of technology and biotech companies, helping to take Apple Computer, Genentech and Adobe Systems public in the 1980s with his earlier San Francisco-based company Hambrecht & Quist, which he founded in 1968 and which also backed the IPOs of Netscape, MP3.com, and Amazon.com.