THERESA M. SHIRES (Terri) is a senior engineer and project manager with AECOM (formerly URS) in Austin, Texas. She is a graduate of Texas A&M with a degree in Chemical Engineering. She has more than 24 years experience in the air quality, pipeline safety, and greenhouse gas-related projects. Her areas of expertise relate to greenhouse gas emissions inventory and protocol development, emissions verification, emission reduction strategies and technical services for energy industry clients. Through her work with greenhouse gas emissions, Ms. Shires has had the opportunity to consult with and advise developers of state, regional and national climate change programs and policies. She is currently supporting petroleum industry clients in developing reliable emissions inventories; in promoting worldwide, industry consensus on greenhouse gas emission estimation methods; and in developing common reporting guidelines for emission reduction projects.