Tim began working with Taitem in the 1990s and has over 20 years of experience in energy analysis of commercial, institutional, and multifamily buildings. He applies his background in building science, statistics, and data analysis towards developing robust, customized approaches to M&V and energy modeling. Tim developed and implemented NYSERDA’s Energy Use Snapshot which is now used by a variety of NYSERDA programs for measuring the success of their energy retrofits. He also assisted in developing energy simulation guidelines used by the EnergyStar® Multifamily Pilot Program and NYSERDA’s Multifamily Performance Program. Tim is a Certified Measurement & Verification Professional by the Association of Energy Engineers and is well known for his investigative approach, commitment to quality and attention to detail. He has identified systemic errors in many common M&V procedures and has developed solutions to assure that the selected approach is relevant to the specific goals of each project.