Sielox, LLC

Executive Team


Karen Evans | President & CEO

Karen Evans, Sielox LLC’s President & CEO, with a group of outside investors acquired the Company on December 31st, 2010 through a management buy-out from Sielox Inc.  Ms. Evans was the President & GM of the Sielox LLC access control division from January 2006 through December 2010 prior to the recent acquisition. Previously, she was the National/International Sales Manager of the Access Control Products Group at Checkpoint Systems, Inc. (NASDAQ: CKP) from June 2003 until January 2006. From 1991 to 2003, Ms. Evans was regional sales manager at Checkpoint.  Sielox was a division of Checkpoint Systems, Inc. from 1986 to 2006 when the division was acquired.

With 30 years of experience, Ms. Evans is a seasoned veteran in the security industry leading sales teams regionally, nationally and internationally, developing strong business channel partners and spearheading the operations of the Sielox business. Karen presents at many conferences and in 2013 was awarded The Women's Security Council (WSC) second annual Woman of the Year Award

Ms. Evans is a graduate of Elizabethtown College in PA and holds a Bachelor's Degree in Business Administration. She is an active member of ASIS.



Mark Isaacson | Vice President of Engineering

Mark has served as the Vice President of Engineering of Sielox, LLC since January 2006. Mr. Isaacson originally joined Sielox Systems, Inc. in 1986 and served as a Senior Engineer and Engineering Manager. He has been involved in the design and development of Sielox and Checkpoint access control system products since that time. As a member of the Access Control Products Group at Checkpoint Systems, Inc. (NASDAQ: CKP), Mark served as Systems Architect, Principal Engineer, and Engineering Manager. At Sielox LLC, Mr. Isaacson successfully led the development project for the 1700 Controller - the most advanced controller in the security industry.
Mr. Isaacson has served as chairman of the Security Industry Association (SIA) Access Control Reader Standards Subcommittee, which generated the first formal Wiegand interface standard for the Access Control industry. Mr. Isaacson holds a B.S Degree in Computer Science from Brigham Young University.



Mark Evans | Executive Vice President

Mark Evans joined the management team as Vice President of Marketing and Business Development in January 2014, responsible for all Sielox marketing activities including product marketing and communications. In 2016 Evans was named Executive Vice President and additionally directs Operations, Purchasing, Orders, Quality Assurance, Technical and Business Partner Support.

Developing and Managing effective programs for Sielox Regional Managers, Rep Firms and Business Partners, Evans communicates the company value proposition to various stakeholders including business partners, consultants, technology partners, end-users and the media.

Evans has been on the leading edge of marketing technology having worked for a decade in the videoconferencing industry for the largest integrator and a leading manufacturer selling direct and through channel partners. Most recently Evans spent ten years with the largest commercial flooring and roofing contractor in North America successfully generating regional opportunities and then leading new business development for national accounts. Graduating from Indiana University of Pennsylvania with a BS in Business Administration, Evans majored in Marketing and minored in Economics and Media Communications.