Our Executive Team

Vision. Experience. Focus.

David Wagner - President & Chief Executive Officer

David Wagner

President & Chief Executive Officer


Dave Wagner joined Zix as President and Chief Executive Officer in January 2016 and also serves as a member of the company’s Board of Directors. In February of 2019, he led the Dallas-based email security company to double its size with the transformational purchase of AppRiver, creating a juggernaut with the revenue, services, and reseller community to challenge much larger competitors in the cloud email security, productivity, and compliance space.

With more than 30 years of corporate and technology leadership experience with Raytheon, Nortel, Entrust, and Zix, Wagner is well-versed in managing companies through periods of dramatic growth and change. Wagner is a graduate of Penn State where he received both his bachelor’s degree and a master of business administration (MBA)…

Dave Wagner joined Zix as President and Chief Executive Officer in January 2016 and also serves as a member of the company’s Board of Directors. In February of 2019, he led the Dallas-based email security company to double its size with the transformational purchase of AppRiver, creating a juggernaut with the revenue, services, and reseller community to challenge much larger competitors in the cloud email security, productivity, and compliance space.

David Wagner - President & Chief Executive Officer
Dave Rockvam - Vice President & Chief Financial Officer
Dave Rockvam - Vice President & Chief Financial Officer

Dave Rockvam

Vice President & Chief Financial Officer


Dave Rockvam joined Zix as Vice President and Chief Financial Officer in June 2016. Dave brings a wealth of experience in the data security market and more than 20 years of experience in investor relations, financial planning, and business and corporate development. Prior to his role at Zix, Dave served in several executive roles during 18 years with Entrust, including Chief Investor Relations Officer and CFO of Asia Digital Media, an Entrust joint venture. He also held executive roles at Entrust such as General Manager of Entrust Certificate Services, Chief Marketing Officer, and SVP of Product Marketing. Dave began his career at Nortel Networks, where he served in various financial leadership positions. He earned a master of business administration from The University of T…

Dave Rockvam joined Zix as Vice President and Chief Financial Officer in June 2016. Dave brings a wealth of experience in the data security market and more than 20 years of experience in investor relations, financial planning, and business and corporate development. Prior to his role at Zix, Dave served in several executive roles during 18 years with Entrust, including Chief Investor Relations Officer and CFO of Asia Digital Media, an Entrust joint venture. He also held executive roles at Entrust such as General Manager of Entrust Certificate Services, Chief Marketing Officer, and SVP of Product Marketing. Dave began his career at Nortel Networks, where he served in various financial leadership positions. He earned a master of business administration from The University of Texas at Dallas and an undergraduate degree from Texas Tech University.

Geoff Bibby - Vice President, Marketing

Geoff Bibby

Vice President, Marketing


Geoff Bibby joined Zix in September 2003 and serves as Vice President of Marketing. Geoff has more than 15 years of experience in high tech marketing. Prior to Zix, he spent 6 years at Entrust Inc., an internet security vendor, where he served in various management roles, including Marketing Director for Entrust European operations. Geoff earned a bachelor of commerce degree with honors in marketing from the University of Guelph in Guelph, ON, Canada.

Geoff Bibby joined Zix in September 2003 and serves as Vice President of Marketing. Geoff has more than 15 years of experience in high tech marketing. Prior to Zix, he spent 6 years at Entrust Inc., an internet security vendor, where he served in various management roles, including Marketing Director for Entrust European operations. Geoff earned a bachelor of commerce degree with honors in marketing from the University of Guelph in Guelph, ON, Canada.

Geoff Bibby - Vice President, Marketing
Kelly Haggerty - Vice President, Product Management & Strategy
Kelly Haggerty - Vice President, Product Management & Strategy

Kelly Haggerty

Vice President, Product Management & Strategy


Kelly Haggerty joined Zix in April 2016. Kelly has more than 20 years of experience in the software security market. Prior to his role at Zix, he served as Chief Product Officer for, and consultant to, IID, a Software as a Service (SaaS) Security company. For eight years, Kelly held several leadership roles for McAfee (now Intel Security), including Vice President of Product Management for the Security Management Business Unit from 2010 to 2014 and Vice President of the SaaS Business Unit from 2008 to 2010. In addition, he held leadership roles in product management and product marketing at SurfControl (acquired by Websense) and Elron Software. Kelly earned his bachelor’s degree in economics from Christopher Newport University with an emphasis on international business…

Kelly Haggerty joined Zix in April 2016. Kelly has more than 20 years of experience in the software security market. Prior to his role at Zix, he served as Chief Product Officer for, and consultant to, IID, a Software as a Service (SaaS) Security company. For eight years, Kelly held several leadership roles for McAfee (now Intel Security), including Vice President of Product Management for the Security Management Business Unit from 2010 to 2014 and Vice President of the SaaS Business Unit from 2008 to 2010. In addition, he held leadership roles in product management and product marketing at SurfControl (acquired by Websense) and Elron Software. Kelly earned his bachelor’s degree in economics from Christopher Newport University with an emphasis on international business.

Dena Bauckman - Vice President, Product Management

Dena Bauckman

Vice President, Product Management


Dena Bauckman joined Zix in October 2005 and serves as Vice President of Product Management within the Office of the CTO. Dena has more than 20 years of experience in product management/marketing of security, cloud and networking technology. Prior to her role at Zix, she spent 8 years at Sterling Commerce, an ecommerce company, where she was Director of Product Marketing for the secure managed file transfer solutions. She also worked at Texas Instruments, Soft*Switch, and Hewlett Packard. Dena earned a master of business administration from the University of Dallas and a bachelor’s degree in computer science from California State University East Bay. She has had her Certified Information Systems Security Professional (CISSP) certification since 2007.

Dena Bauckman joined Zix in October 2005 and serves as Vice President of Product Management within the Office of the CTO. Dena has more than 20 years of experience in product management/marketing of security, cloud and networking technology. Prior to her role at Zix, she spent 8 years at Sterling Commerce, an ecommerce company, where she was Director of Product Marketing for the secure managed file transfer solutions. She also worked at Texas Instruments, Soft*Switch, and Hewlett Packard. Dena earned a master of business administration from the University of Dallas and a bachelor’s degree in computer science from California State University East Bay. She has had her Certified Information Systems Security Professional (CISSP) certification since 2007.

Dena Bauckman - Vice President, Product Management
Doug Coleman - Vice President of Finance
Doug Coleman - Vice President of Finance

Doug Coleman

Vice President of Finance


Doug Coleman has built his career on helping businesses use technology to gain a competitive advantage in the marketplace. One of his first big wins was designing, developing and deploying all of the point-of-sale and integrated accounting systems that enabled a small Atlanta-based retailer to grow from 16 stores to more than 600 locations nationwide.

In 2012, Doug came to AppRiver in the role of controller and in 2017 took on the position of Vice President of Finance, with responsibility for helping oversee all of the company’s accounting and financial management for both the US and EMEA operations.

Doug holds a degree in accounting from Clemson University.

Doug Coleman has built his career on helping businesses use technology to gain a competitive advantage in the marketplace. One of his first big wins was designing, developing and deploying all of the point-of-sale and integrated accounting systems that enabled a small Atlanta-based retailer to grow from 16 stores to more than 600 locations nationwide.

Bill Kadonsky - Vice President, Business Operations

Bill Kadonsky

Vice President, Business Operations


Bill Kadonsky joined Zix in March 2004 and serves as Vice President, Business Operations. Bill is responsible for the company’s sales operations and sales support teams and business processing units. He focuses on improving organizational efficiency and expanding Zix's revenue generation capability. Prior to Zix, Bill served as Vice President and General Manager of Entrust@YourService, a PKI managed services business unit of Entrust, Inc. Previously, He was President of Practical Software Solutions, Inc., a technology and management consulting firm and also served as an analyst at the National Security Agency. Bill earned a bachelor’s degree from the University of Wisconsin.

Bill Kadonsky joined Zix in March 2004 and serves as Vice President, Business Operations. Bill is responsible for the company’s sales operations and sales support teams and business processing units. He focuses on improving organizational efficiency and expanding Zix's revenue generation capability. Prior to Zix, Bill served as Vice President and General Manager of Entrust@YourService, a PKI managed services business unit of Entrust, Inc. Previously, He was President of Practical Software Solutions, Inc., a technology and management consulting firm and also served as an analyst at the National Security Agency. Bill earned a bachelor’s degree from the University of Wisconsin.

Bill Kadonsky - Vice President, Business Operations
Bhavin Merchant - Vice President, Corporate Development
Bhavin Merchant - Vice President, Corporate Development

Bhavin Merchant

Vice President, Corporate Development


Bhavin Merchant joined Zix in May 2017 and serves as Vice President, Corporate Development. He leads strategic growth initiatives for Zix, leveraging nearly 20 years of experience in technology investment banking. Before joining Zix, Bhavin led BVM Consulting from 2014 to 2017. Previously, he was a technology investment banker at Wells Fargo Securities, UBS Securities and Merrill Lynch & Co. Inc. During his career he has completed 50 transactions totaling more than $5 billion, advising leading, global technology companies on strategy, business development, capital raising and merger and acquisitions. Bhavin earned his bachelor’s degree in business administration from the Wharton School of the University of Pennsylvania.

Bhavin Merchant joined Zix in May 2017 and serves as Vice President, Corporate Development. He leads strategic growth initiatives for Zix, leveraging nearly 20 years of experience in technology investment banking. Before joining Zix, Bhavin led BVM Consulting from 2014 to 2017. Previously, he was a technology investment banker at Wells Fargo Securities, UBS Securities and Merrill Lynch & Co. Inc. During his career he has completed 50 transactions totaling more than $5 billion, advising leading, global technology companies on strategy, business development, capital raising and merger and acquisitions. Bhavin earned his bachelor’s degree in business administration from the Wharton School of the University of Pennsylvania.

Russell Morgan - Vice President, Client Services

Russell Morgan

Vice President, Client Services


Russell Morgan has served as our Vice President, Client Services since September 2002. Prior to Zix, he worked at Entrust, Inc. in information technology security, where he held a variety of senior management positions, including director, professional services and senior director, Entrust.net. At Entrust, Russell founded the professional services organization and then managed the business and technical operations for the Entrust.net business unit. Previously, he held several management positions at Lockheed Martin (aerospace), where he specialized in secure messaging and military command and control systems. Russell is a professional engineer with 30 years experience in managing, delivering and supporting complex customer-focused technology solutions. He holds a Bachelor of…

Russell Morgan has served as our Vice President, Client Services since September 2002. Prior to Zix, he worked at Entrust, Inc. in information technology security, where he held a variety of senior management positions, including director, professional services and senior director, Entrust.net. At Entrust, Russell founded the professional services organization and then managed the business and technical operations for the Entrust.net business unit. Previously, he held several management positions at Lockheed Martin (aerospace), where he specialized in secure messaging and military command and control systems. Russell is a professional engineer with 30 years experience in managing, delivering and supporting complex customer-focused technology solutions. He holds a Bachelor of Engineering degree from Concordia University, Montreal, Quebec, Canada.

Russell Morgan - Vice President, Client Services
David Robertson - Vice President, Engineering
David Robertson - Vice President, Engineering

David Robertson

Vice President, Engineering


David Robertson has served as our Vice President, Engineering since March 2002. David has over 35 years of experience in the internet and telecommunications industries, with specific expertise in hosted network architecture, security technology, communication protocols, software systems and wireless infrastructure. From 1981 through 2000, he was employed by Nortel Networks (telecommunications), where he held technology Vice President positions in the Wireless, Carrier and Enterprise Divisions. From 2001 to 2002, he participated in creating technology startup companies with STARTech Early Ventures (venture capital). He has been a participant in several industry standards-setting groups and serves with the City of Richardson Chamber of Commerce. He holds a Bachelor of Science …

David Robertson has served as our Vice President, Engineering since March 2002. David has over 35 years of experience in the internet and telecommunications industries, with specific expertise in hosted network architecture, security technology, communication protocols, software systems and wireless infrastructure. From 1981 through 2000, he was employed by Nortel Networks (telecommunications), where he held technology Vice President positions in the Wireless, Carrier and Enterprise Divisions. From 2001 to 2002, he participated in creating technology startup companies with STARTech Early Ventures (venture capital). He has been a participant in several industry standards-setting groups and serves with the City of Richardson Chamber of Commerce. He holds a Bachelor of Science degree in Electrical Engineering from the University of Waterloo, Canada, and a Master’s degree in Engineering from Carleton University, Canada.

Noah  Webster - Vice President & General Counsel

Noah Webster

Vice President & General Counsel


Noah Webster joined Zix as Vice President and General Counsel in June 2018. Noah has nearly 15 years of legal experience in security, compliance and intellectual property. He contributes a regular column with the Association of Corporate Counsel, the world’s largest community of in-house counsel, and he is an active speaker at intellectual property and compliance events. Prior to joining Zix, Noah worked for eight years at BlackBerry, serving most recently as General Counsel, Mobility Solutions, and holding other legal roles including Global Compliance Counsel and Head of Patent Litigation. Before BlackBerry, Noah worked for Kirkland & Ellis in Chicago, where he represented and advised clients in patent litigations, trademark infringement and general intellectual p…

Noah Webster joined Zix as Vice President and General Counsel in June 2018. Noah has nearly 15 years of legal experience in security, compliance and intellectual property. He contributes a regular column with the Association of Corporate Counsel, the world’s largest community of in-house counsel, and he is an active speaker at intellectual property and compliance events. Prior to joining Zix, Noah worked for eight years at BlackBerry, serving most recently as General Counsel, Mobility Solutions, and holding other legal roles including Global Compliance Counsel and Head of Patent Litigation. Before BlackBerry, Noah worked for Kirkland & Ellis in Chicago, where he represented and advised clients in patent litigations, trademark infringement and general intellectual property matters. Noah earned his juris doctorate at the University of Illinois College of Law and clerked with the U.S. District Court for the Eastern District of Michigan and the High Court of American Samoa. He began his career serving as a U.S. Army Engineer Officer. He is a graduate of the U.S. Military Academy, where he earned an undergraduate degree in mechanical engineering. Noah is a member of the bar for the states of Texas and Illinois. He also holds certification as a Leading Professional in Ethics & Compliance and is registered to practice before the United States Patent and Trademark Office.

Noah  Webster - Vice President & General Counsel