Meet Our Leaders
Justin O'Brien
Justin O’Brien founded Global Service Titan, LLC and is responsible for the overall business development, company strategy, and growth. With over 20 years of experience in the Construction and HVAC industry, Mr. O’Brien has been involved in all aspects of projects from installation, commissioning, operation & maintenance, and replacement of HVAC systems.
Mr. O’Brien has the keen ability to successfully manage teams, find efficient solutions, and is an expert at problem solving and processes. His knowledge and expertise working in 50+ countries, with multiple clients and disciplines across the industry, has allowed Mr. O’Brien to successfully manage some of the most complex construction projects.
Timothy Bunk
Timothy Bunk is the Technical Director at Global Service Titan, LLC and is responsible for the operations of the service department, providing technical support, developing maintenance programs. Mr. Bunk has over 25 years of experience in the HVAC and construction industry and has been involved with commissioning, startup, maintenance, and repair of HVAC systems.
Mr. Bunk has worked on projects around the world and has a vast knowledge of HVAC systems, troubleshooting, and operation. His experience allows him to provide the highest level of technical support for our Customers and Employees.