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Dave Rand


Dave Rand-crop2.jpg

Dave Rand is a successful Silicon Valley technologist, serial entrepreneur and public company CTO.  He has participated on the boards of several companies, both public and private, and helped raise more than $4 billion over his career.  He remains one of the foremost cybersecurity leaders in the United States, with a long track record of successful products, multiple patents and ongoing role as a go-to expert within the industry.


2021 - 2022

Circle Security

2012 - 2017

Trend Micro

Dave came out of retirement to serve as Chief Technologist of Circle Security, where he collaborated with the senior team to ideate, design and develop a breakthrough, innovative cybersecurity platform and product line.

After coming on board through their acquisition of Kelkea., posts Dave held at Trend included Chief Technologist, CTO, Internet Content Security, and Technical Fellow.  While at Trend, he invented several new products and services, including database technologies that have allowed them to create the largest spam database, and track the activities of more than a billion IP addresses.  Dave retired from Trend in 2017.

2001 - 2005


As Co-Founder & CEO of Kelkea, Inc., Dave built on earlier groundbreaking work and innovations in the area of antispam technogies that he invented in Mail Abuse Prevention System (MAPS).  Kelkea was acquired by Trend Micro in 2005.

1996 - 1999

Abovenet Communications

Dave was co-founder and CTO of Abovenet Communications, Inc., one of the last “tier 1” networks created.  Dave and his Co-founders took the company public in 1998.  Dave then spearheaded secondary offering, raising an addition $240M, as well as the acquisition of the Palo Alto Internet Exchange (PAIX) from Compaq in 1999.  In the fall of 1999, Dave was the lead in the sale of Abovenet to Metromedia fiber, for $1.7 billion.

1999 - 2001

Metromedia Fiber

After the acquisition of Abovenet Communications, Dave helped Metromedia to grow the Internet side of the business and drove a raise of $2 billion in bonds to expand its infrastructure and footprint.



Dave also co-founded the Mail Abuse Prevention System (MAPS), with Paul Vixie.  This was the first anti-spam service, and introduced the concept of email reputation.  The now-standard DNSBL technology was created by MAPS.

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