Department Leadership

Steve Ososkie has over 25 years of experience in security and risk management. He has been a regional and security manager in the financial, entertainment and petroleum industries. Steve has a Certified Protection Professional (CPP) certificate from the American Society of Industrial Security (ASIS), and he has served honorably in the United States Marine Corps as a Marine Rifleman and Scout Sniper. He has a bachelor’s degree in Multidisciplinary Studies from Oklahoma State University and is currently pursuing a master’s degree in Strategic Security and Protection Management at National American University.

Tyler Mackie has 11 years of experience as a first responder. Before joining TU, Tyler was a Lieutenant in the Department of Corrections and a Deputy Sheriff at the Montgomery County Sheriff’s Office in Montgomery County, Kansas. Tyler has served for six years with TU’s Campus Security. He holds a Bachelor of Science in Criminal Justice with a minor in Psychology from Washburn University. He has been certified in Advanced REID – Interviewing and Interrogation. Tyler has a passion for sports and art.

Lynn Williams began her security career at Gilcrease Museum in January 1998 as a security officer. She has been with TU since June 2009, stepping into her current role as Captain at January 2020. Lynn and her team ensure the safety of the visitors, staff, and the collection at Gilcrease Museum and the Helmerich Center for American Research. Lynn has a bachelor’s degree in Wildlife Conservation from Southeastern Oklahoma State University. Her hobbies include fishing, hiking, and bowling.

Stephen Lambert has over 15 years of experience in security management including the areas of retail, transportation, and university security. He is currently the training officer for the Campus Safety and Security Department and is also a range master, armorer, and firearms instructor. Stephen has served honorably in the United States Marine Corps for 12 years and the Oklahoma National Guard for 8 years. He is the longest serving patrol officer at the University of Tulsa with over 12 years of experience.

Paul Devers has seven years of experience in security and law enforcement. He served as a reserve police officer for the Pryor Police Department for two years and as a full-time police officer for the Chouteau Police Department for two years. He has been a security officer at TU for three years. Paul is Campus Security’s firearms instructor as well as Glock armorer. He has a bachelor’s in multidisciplinary studies from Rogers State University.

Keri Morton has been with the TU Campus Safety and Security Department since 2019. Before her time at TU, Keri had an extensive career in emergency medical services and response. Keri’s duties began at TU as a Communications Center dispatcher, where she became a patrol officer soon after. Keri was promoted to Lieutenant in 2023 and is also a department simulator, medical services, and mental health training instructor. She is also a reserve law enforcement officer for the Kellyville Police Department. Keri also enjoys sports and exercise.

Randall Pickard has over 5 years of experience working in the security field. He is certified in First Aid/CPR and is a GRACIE instructor for the TU Security Department. Prior to becoming a security officer at the University of Tulsa, Randall worked physical security for a commodities company and was also an athletic trainer.

Dru McClellan is the switchboard operator for the university and provides administrative and department assistance within the TU Security Department. Dru has worked for the university since 2016 and her family has been part of the TU family since 1982. Reign Cain!

Cristina Sigala is the Communications Center Lead in the Campus Security Department. Cristy joined TU in 2022 as a Communications Center dispatcher and stepped into her current role as lead in 2024. Cristy and her team are instrumental in assisting with all emergency and non-emergency calls for service.