Oliver is an attorney whose practice involves assisting companies with their international operations, specifically in technology, life sciences, and real estate. He is involved with organizations in their day-to-day functions in Hungary and works closely with acquisition teams internationally on their M&A projects and the setup of their Hungarian operations. His focus is on matters that concern the United States and Hungary, and he often represents the interests of foreign entities with their activities in Hungary and Europe and works closely with foreign governments.

Additionally, Oliver is an Executive Board Member of Task Force Antal (TFA), a non-profit humanitarian action organization comprised of highly skilled volunteers and elite special operations veterans who are committed to protecting life and liberty. Their mission is to provide safe evacuation support, humanitarian aid, and complex crisis management solutions in the most dangerous conflict zones around the world.