In the wake of closing a $50 million investment round in mid-November that more than doubled its investment bankroll to date and heightened talk of a pending initial public offering, tech-focused brokerage and referral network Redfin is parting ways with its Chief Marketing Officer Tom Vogl and two vice presidents effective Dec. 1. Redfin CEO Glenn Kelman confirmed the departures of Vogl, Vice President of Marketing Matt Goyer and Vice President of Product Bryan Selner to GeekWire earlier today. Kelman declined to give a reason for the departures, but said they had nothing to do with the recent funding led by public-company investment firms T. Rowe Price and Tiger Global Management. Kelman said the Seattle-based firm has yet to find replacements or whether the titles would even pers...