Host Bob Krell and Co-host Joe Medosch are joined NADCA's Mark Zarzeczny and Jodi Araujo. Mark Zarzeczny, owner of Advanced Clean Air Specialists, LLC in Philadelphia, PA, has served on the NADCA Board of Directors since 2014 and currently serves as Co-chairman of the Annual Meeting Committee, Chairman of the Industry & Public Relations Committee, and the Anti-Fraud Task Force. He is also a member of the CVI Marketing Task Force and Membership Committee. As Chief Executive Officer for NADCA, Jodi Araujo is responsible for the strategic and financial oversight of the association and the staff. She works closely with the Board of Directors to translate the strategic vision for the association into action. She also manages their marketing and public relations initiatives and publishes an industry magazine. Araujo ensures that NADCA remains at the cutting edge and fully immersed in all things affecting their industry. She is responsible for industry alliances, partnerships and relationships with other organizations, agencies, groups, corporations and individuals.