Frederick Louis John Leverenz Jr. M.S. ’79, age 69, of Fairview, Texas passed away January 30, 2013. He was born February 9, 1943 in El Campo, Texas to Frederick Louis John Leverenz, Sr. and Mary Louise (Beaty) Leverenz. Frederick holds a BS in electrical engineering from the University of Cincinnati and a MS in engineering from the University of Santa Clara. Frederick was a project manager for Battelle’s Process Safety and Integrated Risk Management group. He had over 35 years’ experience in system safety and risk assessment. He has been involved in the application and teaching of risk/hazard analysis methods since 1972. His experiences cover aerospace, nuclear power, and the chemical process industries. He managed and participated technically in hazard/risk analyses, methods development, and reliability database management. Leverenz was a key author of AIChE’s CCPS’ “Guidelines of Hazard Evaluation Procedures.” The last course Leverenz wrote was Advance Concepts for Process Hazard Analysis, which is still used today.He is survived by his wife, Gail Annette Leverenz of Fairview, Texas; daughters, Michelle Annette Crist of Dallas, Texas, Jennifer Marie Davidson (Aaron) of Dallas, Texas; grandchildren, Savannah Grace Davidson, Annabel Marie Davidson and Emery Katherine Davidson; brothers, James Leverenz of Seattle, Washington, Tom Leverenz of Seattle, Washington, Jerry Leverenz of Germany; sister, Lyne Prémi of Modesto, California.He was preceded in death by his parents, Frederick and Mary Leverenz.