Leon C. McKenzie, President

Leon C. McKenzie is the Founder and President of Sure Sports. He launched Sure Sports in 2009 to focus on an under serviced market of providing athletes with competitive credit facilities. He earned his Bachelor of Science in Finance at West Chester University of Pennsylvania in 1999, before attending Villanova University’s MBA Program. Leon’s professional background includes – Financial Analyst, Sr. Commercial Credit Analyst and Head of Financial Underwriting for regional banks, private lenders and commercial real estate developers. Leon believes in charitable work and is on the Board of Directors of “Supportabilities Foundation”. He also proceeded to establish McKenzie Promising Futures Fund in 2012 as a way to give back to the community that gave him so much. He is a Veteran, having served from 1994-2002, in the transportation division, as his platoon’s combat lifesaver, and as his unit’s physical fitness instructor. In 1994, he was awarded Soldier of the Year for the Fort Jackson Base.

Joleen Matte, Director of Operations

Joleen Matte is Director of Operations for Sure Sports, since 2014, however her involvement in the company began in 2009, as a sounding board for the Founder during the initial startup phase. Joleen attended Bryant University and after graduation realized that she no longer wanted to pursue an accounting career as she shifted her professional emphasis to hospitality. She spent the majority of her career with Exclusive Resorts, a members-only club that provides luxury travel experiences, which brought Joleen to South Florida to manage the day to day operations of luxury condominiums. Prior to Sure Sports, Joleen was the Director of Housekeeping at a boutique hotel in South Beach. In addition to overseeing the day-to-day activities of Sure Sports, Joleen is on the Board of Directors for McKenzie Promising Futures Fund.

Drew Rebling, Credit Analyst III

Drew graduated from Columbia University with a Bachelor’s degree in Financial Economics where he was a member of the wrestling team. Prior to Sure Sports, Drew has done accounting work within the Miami hospitality industry. As Credit Analyst, Drew provides underwriting analysis and credit support to identify loan structure and terms ensuring both the bank’s and borrower’s needs are met. He is responsible for providing written review of the details uncovered while analyzing the financial statements and player contracts. Drew is an avid Green Bay Packers fan!

Dominique Zelaya, Office and Human Resources Coordinator

Dominique Zelaya, a New York native, is the Office and Human Resources Coordinator at Sure Sports. After moving to Miami in 2015, she decided to work her way towards fulfilling her career in Human Resources Management. Since joining the Sure Sports team, Dominique has had the privilege of assisting with the day to day operations of the company as well as overseeing the general administration of employee benefits, payroll, training and other HR related issues. She is responsible for client insurance policies, compliance with affiliated financial institutions, maintenance of personnel records, coordination of employee benefits,  and the development of company HR processes and policies. Dominique’s hobbies include cooking, exploring natural remedies for just about everything, and spending time with loved ones. 

Laura Boilard, Operations Coordinator

Laura Boilard is an Operations Coordinator at Sure Sports.  She is a Virginia native, where she attended Mary Baldwin College and Piedmont Va. Community College for Business Administration.  As Operations Coordinator, Laura will provide administrative support to the Sure Sports operational processes, including loan origination, loan closings, loan servicing and project management. She spends her free time with her growing family, cooking, and attending Dolphins games.

Laura Senn


Cassandra Santiago, Marketing Manager

As Marketing Manager, Cassandra will oversee the Marketing and Communications Department at Sure Sports. She has degrees in Marketing and International Business from Villanova University. Go Cats! Her favorite professional team is the New York Giants. In her spare time, Cassandra can usually be found on the beach with a book, spending time with her family and friends or running around with her dog.


Gretchen Madtes, executive assistant

Gretchen Madtes joined the Sure Sports team as the Executive Assistant to the President of Sure Sports. She has resided in South Florida for the past twenty years and is originally from Maine. She has vast experience with administrative support throughout her career from Commercial Real Estate and Property Management to running a local union for over a decade. Gretchen enjoys watching her girls play softball, gardening, playing with her dogs and relaxing on the beach. Being from New England, she is, undoubtedly, a Patriots fan.

Akil Yisrael, accountant

Akil Yisrael is the President and CEO of Focus 9 Enterprises, “A Managerial Financial Consulting Firm” that has developed into a prominent community-based business offering cutting edge services in the fields of taxation, accounting, and financial management. Akil is a graduate of Bethune Cookman University with Bachelor of Science degrees in both Business Administration and Business Management.


Darren Heitner, Legal Counsel

Darren Adam Heitner, Esq. is the Founder of HEITNER LEGAL, a South Florida-based law firm that focuses on business transactions and litigation, intellectual property and sports/entertainment related work. He is a Contributor at FORBES, and Founder/Chief Editor of Sports Agent Blog. In 2011, Darren was named to SportsPro Media’s 10 NEXT. Darren was  named to Sports Launch Magazine’s Thirty Under 30 Award winners in sports business. In 2013, Darren was chosen as a Rising Star by a Daily Business Review panel of judges and was among 40 young attorneys with the highest ratings. Darren is the author of “How to Play the Game: What Every Sports Attorney Needs to Know”.