John Longman

John Longman is the Managing Principal at Trinity Consultants, a global environmental consulting firm. He has over 40 years of experience in acoustical consulting, particularly in the design and construction industry, and is recognized as a leading expert in architectural acoustics and building systems. His expertise encompasses large-scale, complex developments both in the U.S. and internationally.23

Career Highlights

• Longman Lindsey: Prior to joining Trinity, Longman was the president and founder of Longman Lindsey, a prominent acoustical consultancy known for its innovative solutions in the construction industry. The firm was acquired by Trinity Consultants in November 2023, allowing Longman to continue as a key leader within Trinity's built environment division.12
• Previous Roles: Before founding Longman Lindsey, he served as president of Cerami & Associates for 27 years, where he contributed to significant projects including the World Trade Center redevelopment and the AOL Time Warner Center.23

Education

John Longman holds a Bachelor of Science degree in Environmental Engineering (Buildings) from City, University of London, which he completed from 1979 to 1983.24

Professional Contributions

Longman's work focuses on integrating functional, practical, and aesthetic considerations into acoustical design. He emphasizes energy efficiency and cost-effectiveness in construction while mentoring future leaders in the field.23 His leadership at Trinity Consultants aims to enhance client relationships and uphold design excellence across various projects.12