Kurt W. Mortensen is an American author, business consultant, motivational speaker, and podcaster. He is affiliated with Advanced Influence as an author, trainer, and consultant since 2002. Mortensen is recognized for his book *Maximum Influence*, published in 2004, which was named one of the Library Journal's Best Business Books for that year.
His works primarily focus on the topics of persuasion, negotiation, and influence, with an emphasis on their application in business and sales.