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Performance Hypothesis

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About Us

Marcel W. Foster, MPH

Marcel W. Foster, MPH

Marcel W. Foster, MPH

Co-Director & Co-Founder


Marcel is an arts & health expert and serves as faculty with the Center for Arts in Medicine at University Florida and as a Research Associate with NYU Steinhardt's Jameel Arts & Health Lab. They are a passionate lover of cheese, certified yoga practitioner, and amateur pianist. Fluent in Swahili. 

Brianna Smith, MPH

Marcel W. Foster, MPH

Marcel W. Foster, MPH

Program Manager


Brianna holds a Master of Public Health with a concentration in Nutrition from Emory University. She brings expertise in strategic planning, implementation, and program evaluation. Her passion for the field of arts and health stems from her background: Brianna was a competitive dancer for more than a decade and played the trumpet for several years.

Sue Beasley, MPH

Marcel W. Foster, MPH

Raphiel MURDEN, PHD

Co-Founder & Co-Director


Sue brings expertise in technology implementation and project management. She is an amateur baker and passionate dog lover. Fluent in Spanish and Korean.

Raphiel MURDEN, PHD

Karen BYRNES, PHD, MPP

Raphiel MURDEN, PHD

Co-Founder & Statistician


Raphiel is a biostatistics consultant who specializes in research design and analysis related to social/environmental influencers of health. He is a Professor at the Rollins School of Public Health at Emory and performs as a concert violinist.  

Darrell Grant, MA

Karen BYRNES, PHD, MPP

Karen BYRNES, PHD, MPP

Director of Operations


Darrell is an actor, playwright, and producer with years of experience developing original productions.  He has partnered with several professional theatre programs and is a great project manager and operational development specialist. 

Karen BYRNES, PHD, MPP

Karen BYRNES, PHD, MPP

Karen BYRNES, PHD, MPP

Director of Research & Evaluation


Karen is an applied researcher with more than 20 years of experience in performance measurement, program direction, and stakeholder engagement. She has designed, scaled, and assessed strategic initiatives for private, non-profit, and public sector entities in sub-Saharan Africa, the Americas, India, and Europe. Loves to dance and do crossword puzzles. 


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