Executive Team

Robert Cartagena
Chief Operating Officer

Robert is a 23-year veteran of the dental industry.  He began his career with Discus Dental and was an integral part of its first sales team during the company's start-up phase in 1993. Over the course of 20 years, Robert held senior management positions in global sales, marketing, R&D, and business development.  In 2008, Robert was appointed Chief Operating Officer of Discus and served in that capacity until the company's merger with Philips. From its founding until 2011, Robert was responsible for Discus's expansion into key foreign markets, the introduction of some of the industry's most widely-recognized brands, as well as the development and execution of the company's acquisition and integration strategy. Robert brings a wide range of expertise and experience in dentistry to the DenMat team.

Robert holds a Bachelor of Science in business management from Nova Southeastern University.

Todd J. Tiberi
Chief Administrative Officer

Prior to joining DenMat, Todd served as Discus’s General Counsel and as a Business Development executive. Todd spearheaded multiple acquisitions and led the company through its merger with Philips.  He also managed the company’s worldwide intellectual property portfolio, including procurement, licensing, and enforcement. Prior to this position, Todd spent several years practicing law in the New York office of Skadden Arps Slate Meagher & Flom LLP.  In addition to his extensive M&A experience, Todd has a broad legal background encompassing intellectual property, general corporate law, contracts, employment matters, and litigation.  
Todd holds law degrees from Columbia University and the University of Pittsburgh and a Bachelor of Science in chemical engineering from Carnegie Mellon.

Trevor RootsTrevor Roots
Chief Financial Officer

Originally from Manchester, England, Trevor Roots is a UK-chartered accountant with over 30 years of experience in executive management in both accounting and finance in the United States. Prior to joining DenMat in 2010, Trevor served as CFO of Sierra Monotlithics as well as VP of Finance of JDS Uniphase and CFO of Network Systems. Trevor has been a key member of the DenMat executive team managing much of the Company’s M&A activity and executing on its information technology strategy.