DALLAS–(BUSINESS WIRE)–Zyston, a strategic information security advisory firm, today announced the hiring of Mark Coltharp as vice president of business development. In this role, Coltharp will utilize his unique skillset combining an engineering aptitude, along with leadership in business development, to increase Zyston’s market share and support the transformation of customers’ information security programs.

“At Zyston, we only recruit industry-leading professionals who are truly experts in their craft,” said Zyston President and CEO Craig Stamm. “With more than 25 years working alongside customers in the optimization of information security departments, Mark is certainly no exception to this, and our team is thrilled to have him on board.”

Coltharp’s extensive career spans nearly three decades and a wide range of experiences in global technology, executive leadership and complex strategic sales. Most recently, he served as a senior client director at Optiv Security where he was named among the organization’s leading sales performers. In this role, Coltharp facilitated strong customer partnerships with senior information security executives at Fortune 500 organizations to build, run and operationalize security programs.

Prior to this, Coltharp served in leadership positions at Terra Telecom / Aeon Technologies, E-Rev Technologies and OMI International Inc. He received his Bachelor of Business Administration in management information systems and quantitative science from the Texas Tech University Rawls College of Business.

In addition to Coltharp, Zyston’s Dallas and Atlanta offices have recently hired talent to expand its security analyst team, as well as its business development and delivery functions, to accommodate company growth and associated client demands.

Launched in 2016 and led by some of the world’s most prominent names in security, including former Chief Information Security Officers (CISOs) of Fortune 250 corporations, Zyston provides tailored solutions that enable organizations across the globe to make informed, intelligent decisions related to the security of mission-critical assets. The Zyston team brings decades of experience designing, developing, implementing and executing successful information security programs that protect assets worth billions of dollars.

Zyston CISO Advisory Services assist organizations in the design, development and ongoing execution of effective information security programs through the firm’s innovative approach – Know Thyself, Know Thy Enemy, Adapt & Overcome. Complementary offerings include Zyston M&A Information Security Due Diligence, which provides comprehensive review of an acquisition target’s information network in a compressed deal timeframe. This service brings value to both private equity firms and corporations in their acquisition diligence processes.

Zyston’s Delivery Services arm, which is led by successful industry veterans with four decades of combined experience, supports clients by supplying the human capital expertise required to implement and execute strong and sustainable engagements. By delivering high-quality talent to organizations in need of experts, Zyston ensures clients have the full complement of technically-skilled team members needed to implement effective and sustainable information security programs.


Zyston is a strategic information security advisory firm that provides comprehensive services related to the design, development and ongoing execution of effective information security programs. Zyston CISO Advisory Services assist organizations in the execution and maintenance of effective information security programs. Zyston’s Delivery Services arm attracts, develops and retains the information security talent needed to implement effective and sustainable programs. For more information, visit zystonsecurity.com.



Allison Burum, 214-392-5545