Major Roberto W. Santos is a native of South Bend, Indiana having lived there until the age of twenty-seven.  After receiving his undergraduate degree in Philosophy from Indiana University  - South Bend, he joined the Army and commissioned as a Second Lieutenant through Officer Candidate School (OCS) as a Military Intelligence Officer.  

Upon conclusion of OCS and the MI Basic Officer Leader's Course at Fort Huachuca, AZ, he was assigned to the 101st Combat Aviation Brigade (CAB) at the 101st Airborne Division.  While there, he served as a Rear Detachment Assistant S2 until he was moved to 6th Battalion General Support Aviation Battalion (GSAB) in 2012.  At 6th BN, he served as the AS2 and was deployed to Regional Command  - East, Afghanistan in 2012-2013 where he remained AS2 until redeployment.  Upon redeployment, he served as the primary S2 until departing for the MI Captain's Career Course (MICCC) in 2014.  

After finishing the MICCC and SIGINT Intelligence Officer Course, Major Santos was assigned to the 470th MI Brigade at Fort Sam Houston, TX.  Starting out as an AS3, he was quickly selected for command of Alpha Company, 312th MI BN and tasked with activation of the Company.  After successfully standing up the Company, he worked to foster various relationships at US Army South and other organizations operating in the area of responsibility.  His unit was also put in charge of an experimental Open-Source Intelligence (OSINT) group and worked closely with Installation and Security Command (INSCOM) to revise Army standards and tactics, techniques, and procedures in OSINT.  For this and other hard work throughout his career, he was recognized and was the recipient of the MI Corps award  - the Knowlton Award.  

While at Fort Sam Houston, Major Santos was also selected to teach at the United States Military Academy.  After completion of command, Major Santos departed to attend graduate school at Tufts University in Medford, Massachusetts where he received a Master's Degree in Philosophy in 2020.