About Us

Hama, led by David Youssefnia, Ph.D., is an advisory firm dedicated to empowering companies to reach their full potential.

With a wealth of experience as an organizational psychologist, entrepreneur, and trusted advisor, David has successfully partnered with numerous early-stage, emerging, and established companies across diverse industries.

From optimizing team effectiveness and nurturing a thriving organizational culture to enhancing employee engagement and beyond, David has a proven track record of driving tangible results. Over his career, David has worked with renowned companies such as Salesforce.com, The New York Times, The United Nations, Kaiser Permanente, Starbucks, and Hampton Inn. More recently, he took a break from consulting to dive into early-stage sector – as an Entrepreneur-in-Residence to Madrona Venture Labs, co-founder of Uplevel, and continues to advise promising early-stage companies.
Additionally, David’s expertise extends to academia, where he has shared his knowledge by teaching courses on OB, Leadership, and HR analytics at the University of Washington, Foster School of Business, and Baruch College, City University of New York.