Sam Royer
Chapter President
Electrical Engineering · Class of 2026
Leads chapter strategy, alumni relations, and campus partnerships while spearheading engineering outreach initiatives.
About the Delta Chapter
Nearly a Century of Engineering Brotherhood at Illinois.
From 1928 to today, Sigma Phi Delta has united the University of Illinois Urbana-Champaign’s top male engineers through scholarship, leadership, and professional excellence. Learn what makes the Delta Chapter a cornerstone of engineering culture on campus.
Who We Are
Engineers United by Purpose.
The Delta Chapter stands at the intersection of academic rigor and transformational leadership. Our members are innovators, researchers, mentors, and student leaders who are committed to building a better future for engineering.
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Brotherhood forged through tradition, collaboration, and an unwavering commitment to one another’s success.
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Leadership cultivated via executive roles, campus organizations, and professional partnerships.
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Service to UIUC and the Champaign-Urbana community through STEM outreach, philanthropy, and mentorship.
Mission Statement
"We are the premier international fraternity of engineers made up of the top male engineers on campus. The fraternity is dedicated to bettering the engineering profession and providing a better college experience for engineering students."
Executive Leadership
Meet the 2026 Executive Board.
Our executive board steers the chapter’s operations, traditions, and member experience, ensuring Sigma Phi Delta continues to thrive at UIUC.
Andrew Pressely
Vice President
Mechanical Engineering · Class of 2027
Oversees internal operations, mentorship programs, and organizational development for active brothers.
Robert Childs
Treasurer
Electrical Engineering · Class of 2028
Manages chapter finances, professional budgets, and scholarship resources to sustain long-term growth.
Eric Liu
Secretary
Computer Engineering · Class of 2028
Coordinates rush events, recruits top engineering talent, and mentors new member classes.
Jack Lonigro-Carver
House Manager
Civil Engineering · Class of 2026
Leads community engagement, STEM outreach, and service collaborations across Champaign-Urbana.
Adrian Vargas
Recruitment Chair
Computer Science · Class of 2028
Leads all rush and outreach efforts, organizing events and communications to bring in the next class of future brothers.