2026-2027 Cohort

Congratulations to the following ACFAS Members who have been selected for the 2026-2027 Cohort of the ACFAS Chris Mahaffey Leadership Development Program! 


Headshot of Alexandra Black
Alexandra Black, DPM, FACFAS  
Palm Desert, CA 

Headshot of Nicole Cates
Nicole Cates, DPM, FACFAS  
San Francisco, CA 

Headshot of Byron Collier

Byron Collier, DPM, FACFAS  
Arroyo Grande, CA 

Headshot of Matthew Dairman

Matthew Dairman, DPM, FACFAS  
Chesapeake, VA  

Headshot of Zach Dawson
Zack Dawson, DPM, FACFAS   
Asheville, NC  

Headshot of Brian Derner
Brian Derner, DPM, FACFAS   
 San Francisco, CA 


Rachel Gerber, DPM, FACFAS 
Phoenix, AZ 


Tatyana Hamilton, DPM, FACFAS  
Hamilton, OH  


Samantha Miner, DPM, FACFAS  
Smyrna, GA 

J
Jennifer Seifert, DPM, FACFAS 
Greenvile, DE 


Henry Spingola, III, DPM, FACFAS 
Edmond, OK 


Caroline Tippett, DPM, FACFAS  
Afton, VA 

Mario Voloshin, DPM, FACFAS  
Harrison, NY 


Samantha Williams, DPM, FACFAS 
Santa Clara, CA 


Joshua Wolfe, DPM, MHA, FACFAS  
Las Cruces, NM  


Thank you to the ACFAS Chris Mahaffey Leadership Development Program mentors for supporting and guiding the 2026-2027 cohort.

Michelle Butterworth, DPM, FACFAS
 Kingstree, SC

Mike Cornelison, DPM, FACFAS
 Cupertino, CA


Randall Dei, DPM, FACFAS
 West Allis, WI

Robert Joseph, DPM, PhD, FACFAS
Gainesville, FL

John "JT" Marcoux, DPM, FACFAS
Boston, MA


Roya Mirmiran, DPM, FACFAS 
Sacramento, CA 

 
Roland Ramdass, DPM, FACFAS
Winchester, VA


Chris Reeves, DPM, MS, FACFAS
 Orlando, FL


Diana Rogers, DPM, MS, FACFAS
Gavinesville, FL


Brett Sachs, DPM, FACFAS
Wheat Ridge, CO


John Steinberg, DPM, FACFAS
Washington, DC


Melanie Violand, DPM, FACFAS
Goodyear, AZ


Eric Walter, DPM, FACFAS
Rockville Centre, NY

Glenn Weinraub, DPM, FACFAS
 San Francisco, CA

 
Jacob Wynes, DPM, MS, FACFAS
 Baltimore, MD

     
       Stryker is the Exclusive Sponsor of the ACFAS Leadership Development Program.