David Hohenstern is Senior Product Development Specialist for Rainscreen at Sto Corp. He joined Sto in May 2022. He is a voting member of the C17 committee at ASTM which owns and manages the fiber cement standards used in the Americas as well as E05 the committee on Fire Standards and E06 on Performance of Buildings. David is a life-long Georgia resident and a two-time graduate of the Georgia Institute of Technology. After graduating in 2002 with a Bachelor of Science degree, worked in the Georgia Governor’s Office working in Constituent Services as a writer and editor and promoted to Director of Proclamations. After seven years of public service, David joined the private sector after returning to Georgia Tech and earning a Master of Science in Building Construction. His writing and editing skills from the Governor’s Office, combined with his new graduate degree led to a job at Nichiha Fiber Cement where he started in late 2012. David worked at Nichiha for more than nine years, with his final role serving as Technical Services Manager.