 BEVERLY HILLS, Calif, June 24, 2021 PRNewswire -- GT Biopharma, Inc. GT Biopharma or the Company NASDAQ: GTBP, a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Companys proprietary natural killer NK cell engager TriKETM protein biologic technology platform, today announced that GT Biopharma CEO, Tony Cataldo will be presenting as a VIP speaker at the upcoming Sir Anthony Ritossas Global Family Office Investment Summit in Monaco from June 30 to July 2, 2021. The Sir Anthony Ritossas Global Family Office Investment Summit in Monaco is one of a series of international summits held annually as a platform for exceptional networking between Family Offices and Thought Leaders from all over the world. 