Senior Executives


Gary Medved
President & Chief Executive Officer

A seasoned executive, entrepreneur and holder of multiple patents across various industries, Gary Medved brings a strong leadership foundation to his role as President and CEO of Mace Security International. Prior to MSI, Gary was the President and Owner of Roto-Die, Inc., a Euclid, Ohio-based manufacturer of hydraulic sheet metal benders. Within four years, he grew the company’s revenue by more than 300 percent by expanding into new markets, introducing a remanufactured equipment program and launching a new marketing program. He sold the company in 2013.

Gary also served as the President of Stride Tool, a manufacturer of innovative specialty hand tools for professional technicians. During his tenure, he increased revenue by 75 percent through organic growth while driving manufacturing efficiencies and the rollout of new, patented products and retail sales channels.

He received his MBA from John Carroll University and a BSME from Penn State University. Gary resides with his family in Lyndhurst, Ohio.


Mark Barrus
Senior VP, Chief Financial Officer, and Secretary

As Senior VP and CFO, Mark Barrus brings a wealth of financial expertise and experience to his role. Previously, he served as VP and Treasurer of Covia, a publicly-traded mining and minerals company formed by the merger between Fairmont Santrol and Unimin in 2018. At Covia, Mark led the corporate treasury function, overseeing capital structuring and cash forecasting while serving as a member of the corporate merger integration team. His strong background also includes senior accounting, finance, tax and treasury roles at FMSA Holdings, Inc. (Fairmount Santrol) and NACCO Industries, Inc., and he was a partner in the accounting firms of KPMG LLP and Arthur Andersen LLP.

Mark is an active CPA and holds a MAcc and BS degrees from Case Western Reserve University. He’s also a graduate of the Yale Global Executive Leadership Program at the Yale School of Management.

Outside of work, he’s actively engaged in a variety of organizations, serving Case Western Reserve University’s Accounting Advisory Board, the Cleveland Council on World Affairs and the HELP Foundation, among others. He currently resides in Westlake, Ohio.


Remigijus Belzinskas
Corporate Controller

Prior to joining Mace Security International, Inc., Remigijus Belzinskas was employed by SIFCO Industries, Inc., an aerospace products manufacturer, from 2000 to 2013, serving as Corporate Controller. Prior to that he served at Signature Brands, Inc., a manufacturer and distributor of consumer products, from 1990 to 1999, serving as Corporate Controller; and from 1978 to 1990 he was employed by KPMG LLP, last serving as a Senior Manager in its Assurance Group.