

SBA Executive Officers
The San Bernardino (CA) Alumni Chapter of Kappa Alpha Psi Fraternity, Inc. is led by a dedicated team of officers committed to advancing the fraternity’s mission of achievement in every field of human endeavor. Through servant leadership, strategic planning, and unwavering commitment to our members and community, the Executive Board provides guidance and oversight for all chapter operations, programs, and initiatives.
Our officers work collectively to preserve the rich legacy of Kappa Alpha Psi, strengthen brotherhood, support Guide Right and community outreach efforts, and ensure the continued growth and success of the chapter. We invite you to meet the brothers who proudly serve and lead the Desert Diamond Nupes of San Bernardino Alumni Chapter.

Chapter Polemarch
Bro. Lonnie J. Humphrey
Spring 2019 initiate of the Sacramento (CA) Alumni

Chapter Vice Polemarch
Bro. Davil Jackson
Spring 2005 initiate of the Eta Zeta Chapter (Cal State San Bernardino)

Chapter Keeper of Records
Bro. John Billinger
Spring 2007 initiate of the Eta Zeta Chapter (Cal State San Bernardino)

Chapter Keeper of Exchequer
Bro. Calvin Jeffers Jr.
Spring 2018 initiate of the San Bernardino (CA) Alumni Chapter

Chapter Strategus
Bro. Marcos A. Portillo
Spring 2025 initiate of the San Bernardino (CA) Alumni Chapter


Chapter Historian/Reporter
Bro. Lenox E. Poyner
Spring 2017 initiate of the Epsilon Alpha chapter (Elizabeth City State University)

Director of Guide Right (Kappa League)
Bro. William Thigpen Jr.
Spring 1976 initiate of the Delta Tau Chapter (Miles College)

Director of Reclamation
Bro. Michael Ervin
Spring 1985 initiate of the Eta Upsilon Chapter (Mississippi State University)

MTA Chairman
Bro. Clifford Hackney
Spring 1979 initiate of the Beta Omega Chapter (University of Southern California)

St. Jude Chairman
Bro. Sean Goines
Spring 2000 initiate of the Long Beach/Inglewood/So.Bay(CA) Alumni Chapter
