Elfus Sports Management is a full-service sports management company based in Carlsbad, CA.

Our integrity and unparalleled work ethic allows us to provide our clients with exemplary representation from a business-oriented perspective. We specialize in talent recruitment, marketing negotiation, career planning, endorsement and employment contracts, social media management and philanthropy.

Mike Miller



Mike Miller

ESM client Mike Miller has been elevated to interim Head Coach of the New York Knicks. Mike brings over thirty years of coaching experience at the professional and collegiate levels to his new position… read more

Illustrative Clients

Working with teams and pros worldwide


You are in good hands.

Brian Elfus

Brian Elfus is an experienced sports agent and basketball industry veteran who serves as ESM’s CEO. He has strong relationships throughout the NBA, NBA G-League, prominent overseas clubs, and with NCAA basketball coaches and administrators. His clients include coaches and executives in the NBA and NBA G-League, coaches for prominent overseas clubs, and coaches and administrators for NCAA basketball programs. Brian is widely-respected in the basketball industry for his ability to cultivate relationships and customize plans to achieve clients’ long-term financial, professional and personal goals with optimal success. He received his J.D. from Thomas Jefferson School of Law and his B.A. from American University.

Billy King

Billy King, ESM’s President, is a 19-year NBA front office veteran, who most recently served as the General Manager of the New Jersey/Brooklyn Nets from 2010 to 2016. He is currently a Studio Analyst for NBA TV. He was an executive for the Philadelphia 76ers for a decade, serving as Vice President of Basketball Operations from 1997 to 1998, General Manager from 1998 to 2007, and President from 2003 to 2007. Before joining the front office, King was an assistant coach for the Indiana Pacers under head coach Larry Brown, and for Illinois State University under head coach Bob Bender. He played collegiately at Duke University and served as a captain of a Blue Devils team that reached the Final Four of the 1988 NCAA Tournament.

Aaron Swerdlow
Chief Operations Officer and General Counsel

Aaron is an experienced sports and business lawyer with a wealth of NBA and NCAA experience. He has worked in NBA and NCAA coach and executive representation for eight years, negotiating nearly $100 million in coach and executive compensation. Aaron also spent five years with the University of Wisconsin Athletic Department. Aaron advises clients on employment, licensing, sponsorship, estate planning and equity investment matters and helps manage ESM’s internal operations. He is a member of Law360’s Sports Editorial Advisory Board, the LawInSport Advisory Board, The American Lawyer’s Young Lawyer Editorial Board, and is the editor-in-chief of the sports law section in Matthew Bender’s entertainment law treatise. Aaron received his J.D. from the Georgetown University Law Center and his B.A. from the University of Wisconsin-Madison. He resides in Santa Monica, CA with his wife and black lab mix, Nickie.