He earned a bachelor's degree in health education from Temple University in 1983 and during his time in the Pennsylvania area, he worked as an athletic trainer for St. John Neumann High School, and as a summer intern for the Philadelphia Eagles. In addition, Casmus completed the Advanced Athletic Training Program at West Chester University in 1983 and is a certified EMT in the state of North Carolina.
Prior to his current position, Casmus was the head athletic trainer at Chowan College (1985-1990). He also volunteered at the 1987 Pan American Games and was an intern at the U.S. Olympic Training Center in 1988. He served on the athletic training staff for the 1990 Olympic Sports Festival in Minneapolis, MN. Casmus was the head athletic trainer for the United Football League exhibition game in Taipei, Taiwan in July of 1994. He served as a test site administrator for the BOC and is currently on the Board of Certification's examination development committee. Bob served two terms as the District III Representative to the NATA Public Relations Committee from 1998-2005. In June of 2005, Bob was named as the District III representative to the NATA Research and Education Foundation Board of Directors. He is currently the District III representative to the NATA College & University Athletic Trainers Committee. At the NATA National Convention in June 2005, Casmus received the Athletic Training Service Award from the NATA and the Dan Libera Service Award from the Board of Certification. Bob was named the North Carolina College & University Athletic Trainer of the Year in 2003 and in 2008. In 2007, he was named the NCAA Division 2 College and University Athletic Trainer of the Year by the NATA. Bob was appointed to the North Carolina Board of Athletic Trainer Examiners which oversees the licensure and practice act for certified athletic trainers in North Carolina. Bob also serves as a member of the Catawba College Community Emergency Response Team (CERT).
Casmus and his wife Teresa reside in Salisbury. Teresa is a pharmacist with the Medicine Shoppe in Salisbury. They have a son, Will, who was born in March of 1999.