Principals

Casey Cammann

Casey Cammann is a senior executive with over 20 years of experience leading growth, marketing, and commercialization in private equity–backed cleantech, infrastructure, and technology companies. He has scaled businesses from startup to tens of millions in revenue, raised significant private capital, and overseen both strategy and hands-on operations across wastewater treatment, PFAS destruction, plastic recycling, and advanced digital solutions. With a commercial mindset and a strong generalist background, Casey is skilled at building teams, managing vendors and programs, and positioning complex technologies for market adoption. Through Hookline, he helps organizations craft go-to-market strategies, develop partnerships, and deliver compelling communications that drive visibility, investment, and growth.

Erin Cammann

Erin Cammann is a respected collegiate athletics leader and Head Women’s Swimming Coach at Merrimack College, where she has helped build a program defined by competitive growth, strong team culture, and student-athlete success. Merrimack’s athletics profile notes that she completed her tenth year leading the program after the 2024–25 season, following more than 15 years of coaching experience across multiple levels of competitive swimming.

A graduate of Yale University, where she earned a B.A. in History and competed on the varsity volleyball and swim teams, Erin also holds a Master’s Degree in Journalism from Northwestern University’s Medill School of Journalism. That combination of high-level athletic experience, academic rigor, and communications training gives her leadership style a distinctive blend of discipline, clarity, and mentorship.