About Energy and Security Group

The ESG team brings decades of combined experience in policy support, operations research analysis, computer modeling, economics, financial analysis, and logistics modeling. Our analysts come from a variety of backgrounds across mathematics, economics, and engineering.

ESG Team

Tuyet Nguyen, Staff Accountant

Tuyet Nguyen has ten years of experience in providing office support, bookkeeping, and financial reporting services in the banking industry. At ESG, Tuyet manages financial statements and supports human resource functions. Tuyet graduated from George Mason University with a B.S. in Accounting in 2015. Tuyet is fluent in Vietnamese. tuyet@energyandsecurity.com

Francois Bosselut, President

As President of ESG, Mr. Bosselut oversees daily operations and all programs on the Modeling and Analysis team. Mr. Bosselut joined ESG in 2011 and has supported a variety of Defense projects focusing on operational energy, logistics modeling, economic modeling, and software development. He is a graduate of McGill University, where he earned a B.S. in Mathematics and concentrated on operations research, statistical analysis, and computer science. He has previously worked at the National Center for Biotechnology Information and the National Cancer Institute. He is fluent in French.

Maryam Tabatabai, Administrative Assistant

Maryam Tabatabai assists in managing office operations, including financial reporting and human resource activitites. Maryam is currently pursuing a B.S. in Accounting at George Mason University. Maryam is fluent in Farsi. 

Sam Huber, Programmer Analyst

Sam Huber is a Programmer Analyst on ESG’s Modeling and Analysis team. He is responsible for providing computer modeling and other support for ESG’s contracts. He holds a B.B.A in Finance from the College of William & Mary. He has experience programming in Python, VBA, and AMPL.

Milana Paul, Programmer Analyst

Milana Paul is a Programmer Analyst on ESG’s Modeling and Analysis team. She is responsible for executing research and statistical data analysis, providing computer modeling, and offering support in several ESG consulting and contracting efforts. She is a recent graduate of the University of Maryland, Baltimore County, where she earned a B.S. in Statistics, with a concentration in Applied Statistics, accompanying a Computer Science minor. Her experience in programming include C++, R, Matlab, LaTex, SAS, SPSS, Python, and Java.

Thayer Tomlinson, Program Manager

Thayer Tomlinson has sixteen years experience in energy efficiency and energy access specific to renewable energy, agriculture, and environmental issues. With ESG, Ms. Tomlinson manages the support contract for the EPA ENERGY STAR for Small Business and Congregations program. As part of this program she provides energy and water benchmarking training and technical support through Portfolio Manager, produces written technical documents and presentations, and conducts overall program management. From 1998 - 2000, Ms. Tomlinson served as a Peace Corps Volunteer in rural Mongolia teaching English and agriculture. She has an MA in International Environmental Policy and a BA in Asian Studies.

Maryam Tabatabai, Administrative Assistant

Maryam Tabatabai assists in managing office operations, including financial reporting and human resource activitites. Maryam is currently pursuing a B.S. in Accounting at George Mason University. Maryam is fluent in Farsi.

Katia Marchesini, Director of Operations

Katia Marchesini has more than 20 years of experience in program and operations management. For five years she oversaw the coordination of the Western Hemisphere Information Exchange (WHIX) Program on behalf of ESG, a program led by the U.S. Army to promote technology demonstrations and information exchange in the areas of Installations, Environment, and Energy management. Katia also worked for five years at the Unit for Sustainable Development and Environment of the Organization of American States in Washington, D.C. Katia holds a Business Management degree and a Master's degree in Engineering Management with focus on Energy and Environment. She is a native Spanish speaker and has working knowledge of French and Italian.

Meagan Pitluck-Schmitt, Senior Operations Research Analyst

Meagan Pitluck-Schmitt is a Senior Operations Research Analyst on ESG's Modeling and Analysis team. She provides project management and analytical support for team technical analysis projects. Ms. Pitluck-Schmitt has over six years of experience supporting modeling and analysis projects and analytical tool development for federal clients, including leading an Agile software development team. She is an experienced programmer in VBA, R, Python, and SQL. Meagan holds a M.S. in Computational Computer Science from the College of William & Mary and a B.S in Mathematics from the University of Notre Dame. Meagan is a Certified Scrum Master.

Erica Harkins Miller, Senior Analyst

Erica Harkins Miller is a Senior Analyst on ESG's Modeling and Analysis team, where she focuses on energy and logistics modeling, economic analysis, and tool development. Ms. Miller has six years of experience supporting energy and infrastructure projects across defense and civil markets. She has built several decision modeling tools and specializes in infrastructure analysis, renewable and clean energy modeling, economic impact analysis, and custom tool development. She also has experience in SQL, VBA, and technical writing. Erica holds a B.S.E. in Chemical and Biomolecular Engineering from the University of Pennsylvania.