Austin, Texas, United States, December 2024 – INTERA Incorporated (INTERA) announced that its Board of Directors has unanimously elected Peter Castiglia as the company’s next Chief Executive Officer (CEO), effective January 1, 2025.
Peter will succeed Marsh Lavenue, PhD, who has served as INTERA’s Board Chair and CEO since 2008. Dr. Lavenue announced his plans to retire at the end of 2024. Following a thorough nine-month CEO succession process led by DHR Global, the Board selected Peter as the ideal candidate to lead INTERA into its next chapter of growth and success.
Commenting on the appointment, Dr. Lavenue stated, “The Board and our management-consulting partner, DHR Global, worked very hard over a nine-month period to select the best candidate, and Peter was the clear option to lead our company and meet current and future challenges that INTERA faces as we execute our strategic plan. Having worked with Peter for over 17 years, I am confident that we got this right. Peter will be a great CEO.”

Expressing his gratitude, Peter Castiglia, CEO-elect, remarked, “I want to thank Marsh and the Board of Directors for the confidence that they have placed in me with their decision. INTERA is a purpose- and people-driven company dedicated to delivering results that empower our clients to confidently make impactful decisions. I am thrilled to work with the exceptional people of INTERA to raise our ambitions, strengthen our resilience, and unleash our full potential to deliver our best services to our clients and communities.”
Peter brings 25 years of experience to his new role, having joined INTERA as a Hydrogeologist in 2007 and rising through the ranks to hold various technical and leadership roles. Most recently, he served as President of INTERA’s Mining and Environmental line of business. He is a licensed Professional Geologist with a Bachelor of Science in Geology from Union College and a Master of Science in Earth and Planetary Sciences from the University of New Mexico.
About INTERA
INTERA is a leading international consulting firm specializing in environmental and air sciences, coastal engineering, water resources, and radioactive waste disposal. The company focuses on developing and applying quantitative, risk-based approaches to solve environmental problems and optimize solutions that benefit both businesses and society.
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