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Doug Carlisle

Partner Emeritus
doug_carlisle-BIO

Doug has been at Menlo since 1982 and focuses on investments in the information technology sector. His current board seats and investments include nLight Photonics (LASR), Synthego, and Scality.

Doug’s prior investments include Aeroscout, acquired by Stanley Healthcare Solutions, a division of Stanley Black and Decker (SWK); Ansible, acquired by Red Hat (RHT); Carrier Access Corporation (CACS); Cellfire, acquired by Catalina Marketing; Check, acquired by Intuit (INTU); Cyras Systems, acquired by CIENA Corp. (CIEN); Efficient Networks, acquired by Siemens (SI); HNC Software, merged into Fair Isaacs (FICO); Hotmail, sold to Microsoft (MSFT); IronPort Systems, acquired by Cisco (CSCO); Kalpana, acquired by Cisco; Lytx, acquired by GTCR; Octel Communications (OTL); Open Solutions (OSI); Pyxis, acquired by Cardinal Health (CAH); RF Surgical, acquired by Medtronic (MDT); and Stratacom, acquired by Cisco.

Doug received his bachelor of science degrees in electrical engineering and computer sciences from UC Berkeley and holds a JD/MBA joint degree from Stanford University. He and his wife, Lauri Sanders, live in Portola Valley where they raised their six children, including a set of triplets. Doug enjoys flying and is an instrument-rated private pilot with approximately 2,000 hours in his Pilatus PC-12.

Doug has been at Menlo since 1982 and focuses on investments in the information technology sector. His current board seats and investments include nLight Photonics (LASR), Synthego, and Scality.

Doug’s prior investments include Aeroscout, acquired by Stanley Healthcare Solutions, a division of Stanley Black and Decker (SWK); Ansible, acquired by Red Hat (RHT); Carrier Access Corporation (CACS); Cellfire, acquired by Catalina Marketing; Check, acquired by Intuit (INTU); Cyras Systems, acquired by CIENA Corp. (CIEN); Efficient Networks, acquired by Siemens (SI); HNC Software, merged into Fair Isaacs (FICO); Hotmail, sold to Microsoft (MSFT); IronPort Systems, acquired by Cisco (CSCO); Kalpana, acquired by Cisco; Lytx, acquired by GTCR; Octel Communications (OTL); Open Solutions (OSI); Pyxis, acquired by Cardinal Health (CAH); RF Surgical, acquired by Medtronic (MDT); and Stratacom, acquired by Cisco.

Doug received his bachelor of science degrees in electrical engineering and computer sciences from UC Berkeley and holds a JD/MBA joint degree from Stanford University. He and his wife, Lauri Sanders, live in Portola Valley where they raised their six children, including a set of triplets. Doug enjoys flying and is an instrument-rated private pilot with approximately 2,000 hours in his Pilatus PC-12.

Investments

Our Portfolio
hotmailAcquired by Microsoft
hotmail
microsoft.com

Hotmail was one of the first web-based email services in the world.

Milestones
  • 1996 Founded
  • 1996 Partnered
  • 1997 Acquired by Microsoft
hotmail_graphic
Acquired by Cisco
cisco.com

IronPort developed email and web security tools to protect organizations from spam, viruses, malware, and other internet threats.

Milestones
  • 2000 Founded
  • 2002 Partnered, Series B
  • 2007 Acquired by Cisco
ironport_graphic
NASDAQ: LASR
nlight.net

nLight manufactures high-performance semiconductor lasers.

Milestones
  • 2000 Founded
  • 2001 Partnered, Series B
  • 2018 IPO; NASDAQ: LASR
synthego
synthego
synthego.com

Synthego is a genome engineering company enabling the acceleration of life science research and development in the pursuit of improved human health.

Milestones
  • 2012 Founded
  • 2013 Partnered, Series A
synthego_graphic
aeroscout.com

AeroScout provides WiFi-based RFID tags, exciters, and location receivers that helps networks track and manage the location, condition, and status of mobile assets and people.

Milestones
  • 1999 Founded
  • 2007 Partnered, Series C
  • 2012 Acquired by Stanley Healthcare
AeroScout
AeroScout provides WiFi-based RFID tags, exciters, and location receivers that helps networks track and manage the location, condition, and status of mobile assets and people.
Acquired by Stanley Healthcare
aeroscout
ansible.com

Ansible is an open-source suite of software tools that enables infrastructure as code, including software provisioning, configuration management, and application deployment functionality.

Milestones
  • 2012 Founded
  • 2013 Partnered, Series A
  • 2015 Acquired by Red Hat
Ansible
Ansible is an open-source suite of software tools that enables infrastructure as code, including software provisioning, configuration management, and application deployment functionality.
Acquired by Red Hat

Carrier Access Corporation was an equipment manufacturer that helped telecommunications companies enhance service revenue, lower operating costs, and extend capital budgets by providing high-performance access and new service technologies.

Milestones
  • 1997 Founded
  • 1998 IPO; NASDAQ: CACS
Carrier Access Corporation
Carrier Access Corporation was an equipment manufacturer that helped telecommunications companies enhance service revenue, lower operating costs, and extend capital budgets by providing high-performance access and new service technologies.
NASDAQ: CACS
cellfire.com

Cellfire offers valuable savings on groceries, shopping, restaurants, and entertainment.

Milestones
  • 2005 Founded
  • 2006 Partnered, Series A
  • 2014 Acquired by Catalina Marketing
Cellfire
Cellfire offers valuable savings on groceries, shopping, restaurants, and entertainment.
Acquired by Catalina Marketing
intuit.com

Check was a mobile payments and personal finance company. Its free, top-rated mobile app was used by 10 million customers to pay bills.

Milestones
  • 2007 Founded
  • 2013 Partnered
  • 2014 Acquired
Check
Check was a mobile payments and personal finance company. Its free, top-rated mobile app was used by 10 million customers to pay bills.
Acquired by Intuit
ciena.com

Cyras Systems developed high-speed, multi-service switching platforms for optical metropolitan area networks.

Milestones
  • 1998 Founded
  • 1998 Partnered
  • 2001 Acquired
Cyras
Cyras Systems developed high-speed, multi-service switching platforms for optical metropolitan area networks.
Acquired by Ciena

Efficient Networks supplied high-speed digital subscriber line equipment.

Milestones
  • 1993 Founded
  • 2001 Acquired
  • 2019 Partnered
Efficient Networks
Efficient Networks supplied high-speed digital subscriber line equipment.
Acquired by Siemens
fico.com

HNC Software provided analytics and decision management software and tools that the facilitated management of customer interactions by converting data and business experiences into recommendations.

Milestones
  • 1986 Founded
  • 2002 Merged with Fair, Isaac and Company
HNC Software
HNC Software provided analytics and decision management software and tools that the facilitated management of customer interactions by converting data and business experiences into recommendations.
Merged with Fair, Isaac and Company
cisco.com

Kalpana transformed the Ethernet switching industry with its innovative technologies that increased the throughput of Ethernet networks.

Milestones
  • 1989 Founded
  • 1994 Acquired
  • 2019 Partnered
Kalpana
Kalpana transformed the Ethernet switching industry with its innovative technologies that increased the throughput of Ethernet networks.
Acquired by Cisco
medtronic.com

RF Surgical developed products such as surgical sponges, gauze, and towels that emitted low-frequency radio signals to track them if left inside the human body.

Milestones
  • 2004 Founded
  • 2008 Partnered, Series A
  • 2015 Acquired by Medtronic
RF Surgical
RF Surgical developed products such as surgical sponges, gauze, and towels that emitted low-frequency radio signals to track them if left inside the human body.
Acquired by Medtronic
scality.com

Scality is an industry leader in petabyte-scale storage.

Milestones
  • 2009 Founded
  • 2013 Partnered, Series B
Scality
Scality is an industry leader in petabyte-scale storage.