Management Team

Dr. Jingli Yang

Chief Executive Officer

Photo of Dr. Jingli Yang, Chief Executive OfficerDr. Jingli Yang, Chief Executive Officer of ERT, is an accomplished marketer, strategist, and entrepreneur. She cultivates business relationships with partners and customers, while working to develop infrastructure and processes necessary to foster the growth of ERT. Under her leadership, the company has enjoyed continuous growth and expansion of its client base while maintaining a focus on both customer satisfaction and employee welfare.

Dr. Yang holds a Ph.D. in Biogeography, Geographic Information Sciences, and Remote Sensing from the University of Maryland and has over 20 years of experience in Earth remote sensing, science data systems, and geospatial interoperability for NASA and NOAA. Prior to ERT, she held a series of progressively more responsible technical and management positions in the Earth remote sensing and satellite data systems fields with companies including Raytheon and Space Imaging EOSAT. Dr. Yang also served as President of ERT for several years, during which she initiated ERT’s Earth remote sensing science support and science data systems development and maintenance activities.

Dr. Yang is President of the Maryland Space Business Roundtable (MSBR), serves on the Board of Visitors of the University of Maryland’s College of Behavioral and Social Sciences, and is active in both the American Meteorological Society and the American Geophysical Union. She previously served as Vice President of MSBR, Chair of the NASA Goddard Contractors’ Association, and member of the Maryland Federal Facility Advisory Board under Governor O’Malley. She has received numerous awards including a NASA Global Change Research Fellowship, National Geographic Young Explorer award, and the American Society for Photogrammetry and Remote Sensing’s Ta Liang Memorial Award.  ERT and Dr. Yang were featured in the 2014 NASA Office of Small Business Programs Spotlight publication highlighting Women-Owned Small Businesses.

Dr. Peter Li


Photo of Dr. Peter Li, PresidentDr. Peter Li is a co-founder of ERT, Inc. As President, Dr. Li is responsible for executing ERT's corporate goals and focuses his work on expanding the company and its capabilities. Dr. Li has more than 20 years of experience in environmental science and engineering, geographic information system application, geotechnical engineering, geophysical survey, and hydrogeologic investigation.

Dr. Li received his Doctoral degree in Geological Sciences with a focus on Geophysics from Rutgers University. He is a Certified Professional Geologist in Virginia, a member of the Society of American Military Engineers, and a member of the Maryland Space Business Round Table.

Mr. David Sherry

Chief Operating Officer

Photo of Mr. Dave Sherry, Chief Operating OfficerMr. David “Dave” Sherry has more than 30 years’ experience leading strategic business units and overseeing a broad range of business functions including operations, business development, human resources, contracts and procurement, and finance and administration. As ERT’s COO, he is responsible for the management and oversight of the company’s entire contract portfolio.

Mr. Sherry previously served as the Chief Operating Officer for both Danya International and Medtap International and held executive level positions with Raytheon and Hughes STX Corporation. He has extensive experience leading diverse groups of people to achieve organizational goals and objectives, as well as developing and executing corporate strategic plans. His expertise includes organizational assessment and implementing streamlined process improvement to achieve organizational efficiency and effectiveness.

Mr. Sherry has a proven track record in developing business within the federal government contracting marketplace and has served as a strategic advisor and negotiator to key clients. In 2011, Mr. Sherry co-founded ODA Global, an organizational development and human resource management-consulting firm. In 2014, he founded General Business Strategies, a strategic management consulting firm, where he serves as President and Chief Executive Officer.

Mr. Sherry earned both a bachelor’s and a master’s degree in Administration from the University of Maryland and serves as a board member and officer for non-profit and for-profit organizations.

Dr. Anthony Maranto

Executive Vice President, Business Development

Photo of Dr. Anthony Maranto, Vice President of the Environmental Engineering Business UnitDr. Tony Maranto has more than 25 years of professional experience as a program manager, business leader, researcher, and educator. He now serves as a member of ERT's executive team and is responsible for the firm’s strategic growth, identifying and leading the effort to capture new business opportunities, and ensuring the firm continues to meet customer expectations. Dr. Maranto leads ERT's overall business development efforts, strategic initiatives, and partnership development activities across all of our technical divisions serving NASA, NOAA, DoD, and other federal markets.

Dr. Maranto holds a Bachelor’s degree in Biochemistry and Molecular Biology, and a Master’s degree and Doctorate in Environmental Science with a focus in Environmental Chemistry. He is a certified Project Management Professional (PMP) with the Project Management Institute. He has served in a leadership role for the Society of American Military Engineers and is also a long-time member of the American Chemical Society, the National Association of Ordnance and Explosives Contractors, the National Defense Industrial Association, the Maryland Space Business Round-table, and the National Military Fish and Wildlife Association.

Dr. Ron Isaacs

Chief Science Officer

Photo of Dr. Ron Isaacs, Chief Science OfficerDr. Ron Isaacs brings to ERT more than 40 years of experience as a both research scientist and company president and CEO. Dr. Isaacs has made scientific contributions in the areas of radiative transfer, satellite remote sensing, numerical weather prediction, and air quality. With a strategy based on scientific excellence and its transition to practical applications, Ron was key in growing Atmospheric and Environmental Research, Inc. (AER) from a PI-focused research firm to an award winning, integrated corporation broadly servicing government and industry. He led corporate growth and sustainment activities, and executive oversight of day-to-day operations, strategic planning, marketing, program management, contract negotiation, cost and schedule control, teaming, recruiting, human resources, and technical oversight of major customer programs. At ERT, Dr. Isaacs enhances basic and applied scientific research capabilities, adding value to the corporation’s scientific reputational discriminator and the ability of ERT to serve its customers as a trusted partner to the government marketplace.

Dr. Isaacs holds both a Master’s of Engineering and a Master’s of Science degree from Harvard University, and a Bachelor’s of Science degree from the Stevens Institute of Technology. He is a member of the American Meteorological Society, a Senior Member of the IEEE Geoscience and Remote Sensing Society, and the Tau Beta Pi Association. He proudly served in the U.S. Air Force as a Space Systems Operations officer.

Mr. Hugh Johnson

Chief Information Officer

Photo of Mr. Hugh Johnson, Chief Information OfficerMr. Hugh Johnson has 35 years of information technology experience. He most recently served as the Assistant Chief Information Officer of NOAA’s National Ocean Service, where he implemented enterprise-level IT solutions in networking, cyber security, and cloud services that drove cost savings and increased productivity; reinforced cyber security posture by implementing performance metrics program and operational security processes; and established a strategic sourcing program to gain organization-wide economies of scale.

Mr. Johnson previously held IT management and technical positions at the National Marine Fisheries Service, Defense Logistics Agency, Department of Defense Dependence Schools, and within private industry. He is now responsible for promoting best practices in information technology and data management across ERT programs and ensuring the performance of ERT’s IT management practices.

Mr. Johnson received his Management of Science degree in Computer Systems Management from the University of Maryland University College. He
received his Bachelor of Science degree from The Pennsylvania State University.

Ms. Linda Brainard

Vice President, Corporate Business Operations

Photo of Ms. Linda Brainard, Corporate Business OperationsMs. Linda Brainard brings to ERT more than thirty years of federal contracting experience and a wealth of acquisition and procurement knowledge. Ms. Brainard most recently served as the Chief Acquisition Officer for the Peace Corps, where she was the principle advisor to members of senior staff on all acquisition activities. Prior to the Peace Corps, Ms. Brainard was the Director of the Strategic Sourcing Acquisition Division of the National Oceanic and Atmospheric Administration's (NOAA) Acquisition and Grants Office. In her role with NOAA/AGO, Ms. Brainard oversaw the NOAALink, ProTech, SciTech, and OpsTech programs. 

Ms. Brainard graduated from the University of Maryland, College Park with a B.A. in Economics. She subsequently earned a Master’s degree in Business Administration from Southern Methodist University in Dallas, Texas.