CEF Lead Executives
-
MIKE WITT
CEF LEADERSHIP COUNCIL
Chief Sustainability Officer
Mike leads the company’s environment, health, safety and sustainability (EHS&S) programs across the enterprise. These programs include business strategies for employee health and safety, carbon reduction, resource efficiency and materials management, helping to minimize the company’s environmental impact and advance environmental sustainability across the sectors. Mike brings decades of EHS&S expertise to Northrop Grumman. Most recently, he held several key leadership positions with Dow Inc., and led their strategy for carbon reduction, climate change and materials sustainability, and played a key leadership role in building a $1.5B cross value chain global initiative to end plastic waste in the environment. He also represented the chemical industry in negotiations with the United Nations on a new global plastics treaty. Mike holds a Ph.D. in Environmental Engineering from Michigan State University, Masters of Business Administration from Northwood University and Bachelors of Civil and Environmental Engineering from the University of Michigan.
-
MELISSA TERESINSKI
Senior Manager, Corporate Sustainability
Melissa joined Northrop Grumman’s Corporate Sustainability organization in 2016. She was an integral part of the company’s achievement of the 2020 sustainability goals and led the development of the company’s 2030 water withdrawal and solid waste reduction goals. Melissa is responsible for water and solid waste strategic planning specific to operations goal achievement, and footprint reporting and non-financial metrics in greenhouse gas, water and solid waste. Her background includes twelve years in business roles within Northrop Grumman, including Contracts and Pricing, Business Development and Data Analytics. Melissa holds a bachelor’s degree in international business from George Washington University and a master’s degree in environmental science and policy from Johns Hopkins University.
-
STANLEY MERRITT
Program Manager, Next Generation Environmental Sustainability Goals
Stanley is an experienced sustainability leader with a successful track record of product stewardship, partnership development, project management, and positioning business as a force for good. Stanley is passionate about sustainable value creation, and collaborating with internal and external stakeholders to help customers solve their unique problems while driving team-based organizational transformation. Stanley is currently responsible for the strategic development of the environmental sustainability and energy services program at Northrop Grumman. He joined the company in April 2020. Stanley has worked in and with numerous industry sectors including agriculture, automotive, chemical, electronics, and mining over his 20+ year career. Stanley’s professional credentials include an undergraduate degree in Chemical Engineering from Purdue University along with masters and doctoral degrees from Texas A&M University in Safety Engineering and Environmental Engineering.
-
BRODIE DAVIS
Director of ESG Reporting
Brodie leads Northrop Grumman’s ESG Reporting and Corporate Sustainability programs, driving initiatives aimed at enhancing transparency and accountability. With over a decade of experience in finance and accounting, she leads the company’s ESG Reporting processes, including the annual Sustainability Report, and oversees environmental programs focused on GHG emissions, water management and waste reduction. Prior to her current role, Brodie served as Northrop Grumman’s Senior Manager of Financial Reporting, where she played a key role in SEC filings and quarterly earnings processes. Her background includes eight years at KPMG, specializing in audits for Aerospace and Defense companies. Brodie holds a bachelor’s and master’s degree in accountancy from Wake Forest University and is a certified public accountant.
-
LINDSEY BEAN
Environmental & Sustainability Policy Lead
Lindsey works with external partners, including trade associations and key customers to engage on environmental policy-related issues and initiatives. In addition, Lindsey works cross-functionally within rthrop Grumman to support implementation of the company’s environmental and sustainability compliance strategy. Lindsey’s previous roles at NGC include leading corporate EHS compliance and management system audits and development of the company’s ESG disclosures. Prior to joining rthrop Grumman, she served as a consultant managing and executing projects for clients across a broad spectrum of environmental and sustainability topics. Lindsey holds a bachelor’s degree in Biology, a Masters Degree in Environmental Management and has over 15 years of experience working in the environmental compliance and sustainability field.
-
AMANDA HOSTER
ESG Reporting Manager
Amanda manages rthrop Grumman's annual ESG report, as well as climate reporting and all other ESG-related disclosures and rater and ranker engagement. Amanda has over 10 years of experience in the corporate sustainability and sustainable development fields. Prior to joining rthrop Grumman in 2021, she worked in the ESG and sustainability consulting space for nearly five years, working with companies of all sizes and across industries on ESG reporting, disclosure, strategy, goal-setting and data collection. She also spent two years working on sustainable development in Nicaragua with the Peace Corps. Amanda has a Master’s in Environmental Management focused on Business and the Environment from Duke University, and is based in Washington, DC.
Latest Sustainability Reporting
(March 2025)
Highlights
- Reduced GHG emissions by 13.2% (2019 baseline), and sourced 12% of electricity from renewable sources.
- Diverted 42 million pounds of waste from landfill in 2024.
- Implemented 12 water conservation projects in 2024, expected to reduce 3.8 million gallons of water annually (75% in water-stressed locations).
- In 2024, increased to 75 company sites engaging with its Technology for Conservation (T4C) initiative, which works with partners to develop technologies for conservationists to collect data in difficult conditions.
- Provided 4.3 million STEM experiences in 2024 through K-12 programming and teacher professional development.
- Spent 35% of domestic spend with small business suppliers.
- Over 99% of full- and part-time employees completed ethics training in 2024.
- Achieved a perfect score on the CPA-Zicklin Index of Corporate Political Disclosure and Accountability.


Recent News
2022
Announced new environmental sustainability goals, including to (April 2022):
- Achieve net zero greenhouse gas emissions in operations by 2035.
- Source 50% of total electricity from renewable sources by 2030.
- Develop a “pioneering product stewardship program” with key customers focused on material efficiency, product design and life cycle assessment.
- Expand Technology for Conservation initiatives in proximity to U.S. locations by 2030.
2020
Northrop Grumman signed a 15-year virtual power purchase agreement with Dominion Energy subsidiary Dominion Generation to enable the construction of a 62.5 MW solar facility in Orange County, Virginia. Once operational in 2022, the solar facility is expected to offset 100% of Northrop Grumman’s electricity use in Virginia across its manufacturing and office operations, and increase the company’s renewable energy sourcing to 10% globally. (August 2020)