Major General Weber is a native of Weimar, Texas. He graduated from Texas A&M University and was commissioned a Second Lieutenant in August 1972. Upon completion of the Basic School and the Field Artillery Officer Basic Course, he joined the 3rd Marine Division where he served as a Forward Observer and Battalion Motor Transport Officer in 2nd Battalion, 12th Marines. Returning from overseas in August 1974, he reported for duty at the 1st Field Artillery Group, Twentynine Palms, California, where he served as Executive Officer, Headquarters Battery.

In September 1975, First Lieutenant Weber transferred to the 1st Marine Brigade, Kaneohe Bay, Hawaii, to serve as Fire Direction Officer, Liaison Officer, and Battery Executive Officer. Following promotion to Captain, he assumed command of Battery K, 1st Battalion, 12th Marines.

Upon returning to CONUS, Captain Weber completed the Field Artillery Officer Advanced course at Fort Sill, Oklahoma in May 1979 and was stationed in Jackson, Mississippi as Inspector-Instructor, Battery F, 2d Battalion, 14th Marines. In September 1982, he rejoined the 12th Marines in Okinawa, Japan as the Regimental S-3A and S-3. Returning to the U.S., Major Weber served from 1983 to 1985 on the staff of the Commandant of Midshipmen, U.S. Naval Academy.

In January 1986 he reported to the University of Texas at Austin in the Advanced Degree Program and earned a Masters Degree in Public Policy and Policy Development from the Lyndon B. Johnson School of Public Affairs. During a tour at Headquarters, U.S. Marine Corps in Washington, D.C., he was promoted to the rank of Lieutenant Colonel while serving as Head, Manpower Policy Section, Manpower Plans, Policy, Programming, and Budgeting Branch.

Lieutenant Colonel Weber departed Headquarters Marine Corps in December 1989 reporting to Quarry Heights, Panama for duty as Special Assistant to the Commander-in-Chief, U.S. Southern Command. In January 1991, he was assigned to the 2nd Marine Division where he served as Officer-in-charge, 10th Marines (Rear), prior to his assignment as the Regimental S-4. In July 1992, Lieutenant Colonel Weber assumed command of 3rd Battalion, 10th Marines, and in January 1993 was selected for promotion to the rank of Colonel. In June of 1993 he transferred to Fort Sill, Oklahoma, where he assumed duties as the Commanding Officer, Marine Corps Artillery Detachment and Senior Marine Liaison to the U.S. Army Field Artillery Center at Fort Sill. In October of 1995 Colonel Weber reported for duty to the Commanding General, 1st Marine Division, Camp Pendleton, California where he served as Assistant Chief of Staff for Readiness,
G-7. He assumed command of the 11th Marines in May of 1996. In February of 1998 Colonel Weber was selected for promotion to the rank of Brigadier General.

In June of 1998, Brigadier General Weber reported for duty as the Deputy of Operations J-3 Directorate, U.S. European Command, Stuttgart, Germany. Brigadier General Weber returned to CONUS in July of 2000 to assume the duties as Commanding General, Marine Air Ground Task Force Training Command, Marine Corps Air Ground Combat Center, Twentynine Palms, CA. On June 12, 2002, Brigadier General Weber assumed the duties as Commanding General, Third Marine Division in Okinawa, Japan. On September 23, 2002 he was authorized to assume the title and wear the uniform of Major General.