Benjamin A. Yarbrough (Ben) serves as Chief Executive Officer for
Calyptix Security, coming to the company with more than 10 years'
experience working with growth companies, entrepreneurs and
investors. At Calyptix Security, Yarbrough directs business
operations and strategic development focusing on operations,
sales, strategic relationships, and finance.
Prior to joining Calyptix Security, Yarbrough has practiced law in
Charlotte, North Carolina where he has represented institutional
investors, businesses and individuals in a wide range of business
dealings. He worked at Kennedy, Covington, Lobdell & Hickman in the
firm's corporate practice group from 1994 to 2004, with a focus on
business law, equity and debt finance, mergers and acquisitions,
securities, entrepreneurial businesses and startups. As a partner
with Foodman, Hunter & Karres, which he joined in January 2005,
Yarbrough has concentrated his legal practice on counseling
entrepreneurs and middle market growth companies at all stages of
development.
Yarbrough earned a Bachelor of Arts degree in economics from
Davidson College in 1989, graduating cum laude. During college he
was a member of Phi Beta Kappa and Omicron Delta Epsilon. Yarbrough
completed his juris doctorate at the University of Virginia, where he
was a member of the Virginia Tax Review.
Yuliang Zheng, Ph.D.
Chief Technology Officer & Co-founder
Yuliang Zheng co-founded Calyptix Security in 2002, and now serves
as the company's Chief Technology Officer. Also a professor of
information technology at UNC Charlotte, Zheng has more than 20
years of experience in the cyber security field. At Calyptix, Zheng
manages architecture and design, project management and testing
protocols and evaluation of emerging technology.
In his years of experience with software and information technology,
Zheng has traversed both the commercial and scholastic sides of the
industries. He worked for two years as a software engineer at a
telecommunication company after completing his undergraduate degree,
and, after earning his PhD, moved to Australia. There he worked at
first as a security research scientist at the Australian Defense
Force Academy, then as a professor at the University of Wollongong
and Monash University. In August 2001, Zheng was invited to join the
faculty of UNC Charlotte to lead security research at the
Information Security and Assurance Center and the NSA-recognized
Center of Excellence in Information Assurance Education. Since 1985
he has consulted for a large number of banks, computer and
telecommunication companies, and governments at all levels.
Zheng earned his Bachelor of Science degree in computer science from
the Nanjing Institute of Technology in 1982, and was honored as the
year's Most Distinguished Graduate. He then went on to Yokohama
National University in Japan, where he earned his master's and PhD
degrees in electrical and computer engineering. Zheng has published
numerous articles and books on security and holds a number of
patents in security. He is known as the father of "signcryption"
technology and is widely recognized as an international authority in
cryptography and network security.
Lawrence Teo, Ph.D.
Vice President of Development & Co-founder
Lawrence Teo serves as Vice President of Development at Calyptix
Security, which he co-founded in 2002. At Calyptix, he leads the
development team that builds the AccessEnforcer™, the company's
flagship product. Teo is actively involved in the entire product
lifecycle, where he assesses customer requirements and translates
them into tangible features on the AccessEnforcer™ to solve
real-world needs. His other responsibilities include managing the
day-to-day technical operations in the company, interfacing with
customers and end-users, and conducting quality assurance and
testing procedures.
Teo has been involved in the field of information security since
1995. As part of his doctoral dissertation, Teo conceived and
developed DyVax™, the patent-pending technology that filters
malicious Internet traffic without signatures on the
AccessEnforcer™. An active member of the open source community, he
has published technical articles in Linux Journal and Sys
Admin Magazine, and contributed code to open source projects.
Prior to co-founding Calyptix Security, Teo conducted research,
developed software, and taught lectures on various areas in IT and
security in Australia, Singapore, and the United States.
Teo graduated with first class honors in computing from Monash
University in Australia, and earned his Ph.D. in information
security from the University of North Carolina at Charlotte. He was
a member of Phi Beta Delta and the Golden Key International Honor
Society in college.
