• Who We Are

Executive Team

Our executive team is one of the most experienced in the industry.

This team has been instrumental in delivering complex toll collection solutions throughout the nation and across the globe, and as such, team members are frequent speakers at industry forums.

Our leaders actively participate in industry organization initiatives and provide the expertise for far-reaching programs such as regional and national interoperability initiatives.

  1. MARIO RIEMMA
    Chief Financial Officer


    Mario Riemma joined ETC in 2012 and has more than 20 years of financial and management experience serving both technology and consumer goods companies. Mr. Riemma has also played a key role in the development of the financial modules featured in ETC’s most recent Back Office platform, riteHorizon, allowing ETC to respond to the most sophisticated requirements of clients from the tolling industry in terms of accounting, treasury, and reconciliations.

  2. SIMON CHENG
    Executive Vice President, Back Office Systems


    As ETC’s Executive Vice President, Simon Cheng leads the successful integration and delivery of solutions across all programs for the Back Office Systems Business Unit as well as manages the Customer Service Center Operations. Mr. Cheng joined ETC in 2002 and has more than 20 years of experience in business technology and software implementation for the tolling industry.

  3. KEVIN HOLBERT
    Executive Vice President, Business Development


    Kevin Holbert, who joined ETC in 2002, is a knowledgeable and accomplished leader. He has over 27 years of experience in the tolling industry – as a manager of information systems at a tolling authority, as a consultant, and as an executive of a full systems integration provider. Through these diverse roles, Mr. Holbert brings a unique and seasoned perspective as a business development leader in the industry.

  4. TOM OWEN
    Executive Vice President, Roadside Systems


    Tom Owen leads the program management, engineering, systems integration, installation, and maintenance support for the Roadside Systems Business Unit. Mr. Owen has over 25 years of experience in the toll industry, working in various engineering, supervisory, and management roles, ensuring successful delivery and operations for back office and roadside systems.

  5. DAVID MACE ROBERTS
    General Counsel, Compliance Officer and Corporate Secretary


    David Mace Roberts is General Counsel, Compliance Officer and Corporate Secretary of ETC. David is responsible for all legal, compliance, and governance related matters on behalf of the company.   Prior to joining ETC, David has held senior executive legal and compliance positions with global technology organizations such as Samsung, Elbit Systems and Efficient Networks/Siemens.

    David holds a Juris Doctor from Emory University School of Law, a Bachelor of Arts with highest honors from New York University and a General Course degree from London School of Economics. David was named to the 2019 Dallas 500 as published by D Magazine/DCEO Magazine. David was named the 2018 Outstanding General Counsel (Solo) by D Magazine/DCEO Magazine. David was named the 2012 Outstanding Deputy General Counsel/Associate General Counsel (Midsize Legal Department) by D Magazine/DCEO Magazine and the Association of Corporate Counsel.