Profile
Geoff has been an investor in, board member of, and advisor to a variety of start-up companies, mostly in the San Francisco Bay Area.
He is also a partner at Y Combinator.
From 2007-2009 Geoff was the Chief Executive Officer of Lala Media, Inc., an innovative cloud music start-up in Palo Alto that was purchased by Apple in December of 2009.
Geoff worked at Yahoo! from 1997-2006 after their 1997 acquisition of Four11 Corp.
At Four11 Geoff was the VP of Engineering and led the creation of Yahoo! Mail's predecessor, RocketMail.
At Yahoo! Geoff was Senior Vice President and general manager of the Communications Business Unit and subsequently served as the company's Chief Product Officer.
Geoff holds a B.A.
in Computer Science from Dartmouth College, an M.S.
in Computer Science from Stanford University, and an M.B.A.
from INSEAD, the European Institute of Business Administration
Former positions of Geoffrey Ralston
| Companies | Position | End |
|---|---|---|
Y Combinator LLC
 Y Combinator LLC Investment ManagersFinance Y Combinator LLC (Y Combinator) is a venture capital firm founded in 2005. The firm is headquartered in Mountain View, California. | President | 06/11/2022 |
Imagine K12 LLC
 Imagine K12 LLC Investment ManagersFinance Imagine K12 LLC (Imagine K12) is a venture capital a subsidiary of Y Combinator LLC founded in 2011 by Alan Louie, Geoffrey Ralston and Tim Brady. The firm is headquartered in Mountain View, California. | Founder | 30/03/2016 |
Allegis Capital LLC
 Allegis Capital LLC Investment ManagersFinance Allegis Capital LLC (AllegisCyber Capital) is a venture capital firm founded in 1996 by Robert Ackerman and Barry M Weinman. The firm is headquartered in Palo Alto, California with additional offices in Maryland and Utah. | Private Equity Investor | 29/09/2008 |
Yahoo!, Inc.
 Yahoo!, Inc. Internet Software/ServicesTechnology Services Yahoo!, Inc. is a guide to digital information discovery, focused on informing, connecting, and entertaining users through its search, communications, and digital content products. It operates through the following geographical segments: Americas; Europe, Middle East, and Africa (EMEA); and Asia Pacific. The company was founded by Jerry Chih-Yuan Yang and David Filo in January 1994 and is headquartered in Sunnyvale, CA. | Corporate Officer/Principal | 30/12/2004 |
Four11 Corp.
 Four11 Corp. Data Processing ServicesTechnology Services Part of Verizon Communications, Inc., Four11 Corp. develops an internet white pages directory for locating email addresses. The company is based in Menlo Park, CA. The company was founded by Larry Drebes. | Chief Tech/Sci/R&D Officer | 30/12/1996 |
Training of Geoffrey Ralston
| Dartmouth College | Undergraduate Degree |
| Stanford University | Graduate Degree |
| INSEAD | Masters Business Admin |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Yahoo!, Inc.
Yahoo!, Inc. Internet Software/ServicesTechnology Services Yahoo!, Inc. is a guide to digital information discovery, focused on informing, connecting, and entertaining users through its search, communications, and digital content products. It operates through the following geographical segments: Americas; Europe, Middle East, and Africa (EMEA); and Asia Pacific. The company was founded by Jerry Chih-Yuan Yang and David Filo in January 1994 and is headquartered in Sunnyvale, CA. | Technology Services |
The Kepler Corp.
 The Kepler Corp. Specialty StoresRetail Trade The Kepler Corp. owns and operates bookstores. The firm's bookstores provide broad book selections and phenomenal author events. It also offers gifts, programs and events. The company was founded by Roy Kepler in May 1955 and is headquartered in Menlo Park, CA. | Retail Trade |
Allegis Capital LLC
Allegis Capital LLC Investment ManagersFinance Allegis Capital LLC (AllegisCyber Capital) is a venture capital firm founded in 1996 by Robert Ackerman and Barry M Weinman. The firm is headquartered in Palo Alto, California with additional offices in Maryland and Utah. | Finance |
la la media, Inc.
 la la media, Inc. Electronics/Appliance StoresRetail Trade la la media, Inc. operates an online music store. It enables users to buy new CDs, get music recommendations, listen to live shows, and tune into radio stations programmed by other fans and professional DJs. The company was founded in 2005 by Bill Nguyen, Billy Alvarado, Anselm Baird-Smith, and John Cogan III and is headquartered in Palo Alto, CA | Retail Trade |
Imagine K12 LLC
Imagine K12 LLC Investment ManagersFinance Imagine K12 LLC (Imagine K12) is a venture capital a subsidiary of Y Combinator LLC founded in 2011 by Alan Louie, Geoffrey Ralston and Tim Brady. The firm is headquartered in Mountain View, California. | Finance |
Four11 Corp.
Four11 Corp. Data Processing ServicesTechnology Services Part of Verizon Communications, Inc., Four11 Corp. develops an internet white pages directory for locating email addresses. The company is based in Menlo Park, CA. The company was founded by Larry Drebes. | Technology Services |
Color Labs, Inc.
 Color Labs, Inc. Packaged SoftwareTechnology Services Color Labs, Inc. designs and develops photograph sharing applications for mobiles. It is a free application for iPhone devices that allows people in close vicinity to capture photos, videos, and text simultaneously from multiple smartphones. The company was founded by Peter Pham and Bill Nguyen in 2010 and is headquartered in Palo Alto, CA. | Technology Services |
Y Combinator LLC
Y Combinator LLC Investment ManagersFinance Y Combinator LLC (Y Combinator) is a venture capital firm founded in 2005. The firm is headquartered in Mountain View, California. | Finance |
- Stock Market
- Insiders
- Geoffrey Ralston
