Athlete Representation

Contract Negotiations

We promise to work diligently for you at all cost. GMGSE’s teams of professionals understand the importance of securing the right opportunity for you. We clearly understand the intricate details within the Collective Bargaining Agreement and will leverage our expertise to negotiate the best contract you deserve. You will always be our first priority as we thoroughly understand your worth.

Pre-draft Training

GMGSE will design and coordinate a customized pre-draft training program to fully maximize your draft position. The personalized plan is designed to help you excel at the highest level. Our athlete training program is based on your personal needs, goals and strength to push you for the elite capacity. You will participate in highly competitive and rigorous regimens with our trained professional skills and strength and conditioning coaches. You will also have a personal nutritionist available to you. In addition, you will work with media trainers to prepare you for combine interview training. Our team of professionals will strategically coordinate your workouts schedule and leverage our relationships with NBA general managers, scouts and other team officials to highly influence your draft position based on your pre-draft training. The road to success begins here…

Statistical Analysis

Our Subject Matter Experts are the best at developing statistical analysis. We utilize analytics to capitalize on the statistical revolution and understand analytics methodology used by the NBA to evaluate players. We will demonstrate your worth and value for the NBA draft to leverage the best opportunity for your future, come free agency. Through our statistical analysis, you will know your game better than anyone else and use this information for off-season training to enhance all areas of your game.

Athlete Relations

Business Management

GMGSE is dedicated to providing world-class business management services to our athlete clients.

GMGSE seasoned professional will serve as your outsourced chief financial officer. We will work with a highly-skilled, dedicated team of professionals and partners to manage your day to day activities, while working with you to formulate, monitor and achieve your long-term business goals. GMGSE Business Management operates in a state-of-the-art paperless environment, where the protection and privacy of your information is paramount.

As your outsourced CFO, your GMGSE Business Management partner will assemble and lead a team of professionals in connection with specialty areas such as business development, risk management, investment advisory, estate planning and foundation administration. Our professionals work with our strategic partners to keep a steady flow of up-to-the-minute opportunities, best practices and ideas in our communications pipeline. Our reputation for honesty, integrity, independence and unbiased advice is especially valued by the clients we serve.

Concierge Services

Day to Day Management and Concierge Services

Our professionals employ a disciplined and structured approach to work closely with families to manage their personal affairs and ease the burden of their administrative responsibilities. We provide a broad spectrum of services that is designed and coordinated with key members of your business team. GMGSE is the “go-to” professional liaison that will perform business planning for clients, handling all day to day matters pursuant to your needs. We apply our proven expertise and attention to detail in the following service areas:

Client Concierge Services – Book all travel, i.e., flight, hotel and car service, schedule dinner reservations, spa appointments and personal chef appointments.

  • Scheduling private travel arrangements
  • Personal shopping
  • Review vendor proposals and supervise household services
  • Insurance analysis and oversight
  • Property management

Foundation Administration/Philanthropic Ventures

Lending a helping hand is the best form of assistance that you could provide to family. We perform basic foundation fundraising duties and are instrumental in assisting with the development of clients’ foundations and building a network to support their causes. We encourage all of our clients to become participants in other charities of their choice or develop their own. We assist with identifying causes they desire to support.

Legal Support

In today’s society you can easily become a target or vehicle to success for others. GMGSE’s team of legal professionals understands the value of having the best support at your leisure. Our attorneys will be available to you for any professional and personal matters you may encounter. We care about you and your families and want to make certain you are protected and properly represented. We will take the lead and be the driving force to secure your future.

Post Career Planning

Assist clients in assessing their future career interests and provide them with strategies for transitioning from one career to the next. Clients will be given the opportunity to enter into a mentoring relationship with former/retired professional athletes and entertainers.

Marketing and Branding

As marketers, we understand a strong brand is built on a solid communications foundation, with integral messages and brand attributes repeated to your target audience over a variety of platforms. While a brand is a simple message about a product or service, there’s nothing simple about branding. Our approach helps clients blend analysis and creativity into powerful brand messages to best define your personal brand and develop positioning strategies to create a wide range of lucrative opportunities.

Brand Development

We listen to you envision it and we help create it. At GMGSE, we listen to our clients, to make certain that we’re clear on clients’ expectations, visions and goals. We utilized all of the following components to carve out the best path for the development of your brand, all of which will define who you are and what you represent that will lead to potential endorsements and partnerships in the near future. We will leverage our relationships to align you with other brands, companies and decision makers across different corporate industries.


By defining your brand we create the positive associations that translate into lucrative opportunities. We use our industry contacts and experiences to create partnerships and opportunities to align clients with brands that share their convictions and passions. Our fresh, intimate approach delivers meaningful alliances and long-term collaborations for new sources of income.

Public Relations

A great communications strategy drives business and enhances brand credibility and reputation. Through our public relations services, we help clients create compelling messages that generate the buzz that expands your visibility. We provide our clients with the fundamentals of success and a commitment to build individual athlete brands and opportunities as brand ambassadors. With former journalists, and corporate communications experts on staff, we work directly with each individual to support and expand existing efforts, and visibility with fans, brands and influencers.

Social Media Strategy/Digital Platform Development

Digital communications has crossed over into every marketing function. Our clients look to harness the power of digital by blending technology and creativity. We create the game plan to help you connect to your fans and grow your audience-base. By developing plans for engagement, encouraging fan reaction and creating a consistent dialogue with your base, your social media assets and digital platforms become a critical part of your brand strategy.



GMGSE has a pristine track record and respectable relationships in radio and television; news sports or entertainment. We have assisted our clients in defining the right opportunity for them in all media outlets and will do the same for you. Our seasoned professionals will assist with the process from start to finish. We will develop your portfolio and provide media training. In addition, we will pair you with other professional for mentoring.

Content Development

Great content means great storytelling. We believe everyone has compelling stories to share. We work with you to publish stories – video and audio - that evoke emotion, position your brand and deliver consistent content to your select audience across a variety of digital platforms.

Media Training

Our executive leadership/media & presentation coaching program provides corporate, sports executives and athletes best practices to represent their brand, marketing and communications strategies. Our benchmark approach is tailored to address individual strengths and challenges and the program offers rigorous one-on-one training to help develop powerful communicators. From power grammar sessions, accent reduction work, to presentations and on-stage performance, our classes are tailored to address each individual's goals and build the skills needed to make an impact when it matters most.

Contact Us
Marquiest is the President and Chief Executive Officer of GMG Sports and Entertainment, (GMGSE). For the past 10 years Marquiest has represented professional athletes in multiple sports and many facets, ranging from contract negotiations, endorsements, advertising, and marketing deals.  Marquiest is certified as an agent by both the National Basketball Players Association (NBPA) and Federation International Basketball Association (FIBA). He’s a highly proactive and versatile accomplished professional with nearly 20 years’ experience in corporate America and the sports and entertainment industry with a wealth of knowledge and endless relationships.
Before launching GMGSE, Marquiest was a Senior Relationship Manager at New Legacy Sports and Entertainment, (NLSE) where he was responsible for managing the business affairs of high net worth individuals such as athletes and entertainers.

Prior to joining NLSE, he has held several executive leadership positions throughout his career at leading corporations and firms including American Capital Strategies, SS&C Fund Services, Citigroup, Watson Rice LLP and partner at Aime’ + Gadson Accounting and Tax Solutions. Marquiest earned a Master of Business Administration from Kellogg School of Management Bachelors of Science in Accounting from Benedict College.

He is a member of the National Sports Marketing Network (NSMN) and the National Association of Black Accountants, (NABA). During his free time, he loves being with family, playing golf and mentoring young men within local communities.

Jeff is Vice President of Athlete Representation at GMG Sports and Entertainment, (GMGSE). For the past 15 years he has negotiated contracts for a number of professional athletes in the NBA, WNBA and Europe.  Jeff is certified as an agent by the National Basketball Players Association (NBPA), Women’s National Basketball Players Association (WNBPA) and Federation International Basketball Association (FIBA).

Prior to joining GMGSE, Jeff successfully launched Five Star Sports Agency where he represented over 15 professional athletes, including NBA draft prospect (Jamario Moon) WNBA’s Avery Warley and the number one pick in 2005 CBA draft (T.J. Thompson).  Jeff is outstanding in helping his players understand the business concepts of professional sports; he prides himself on his personal attention to detail for his clients. Before starting Five Star Sports Agency, Jeff transitioned a successful career in aerospace and engineering where he was a technical advisor responsible for delivery solutions for his high priority clients.

A multi-sport athlete, Jeff attended high school in the rich tradition state of North Carolina. He was recruited out of high school for football and basketball, accepting a scholarship to play football at Elon College.  An All District player at Elon, Jeff helped lead Elon to two conference titles as a defensive back.  Jeff participated in several NFL team workouts before playing a season with the minor league Harrisburg Patriots. 

Jeff's corporate experience and extensive travel throughout the country and abroad helped him develop a tremendous network of industry professionals.  Jeff is also a respected member of Program Management Professionals (PMP).  During his free time, Jeff loves playing golf and spending time with family.

Knyja is the Director of Marketing and Media at GMG Sports and Entertainment (GMGSE).  She is a communications specialist with more than 20 years of experience under her belt.  She has earned an M.B.A. in Business Management from the Morris Graduate School of Management and a B.A. in Broadcast Journalism from Columbia College.
Knyja has a unique Marketing & Communications background and has worked as a marketing and media relations’ consultant for SRC/Universal Records, Aneelys Records, Girlfriends Magazine, Crownworld Entertainment and Recruit TV.  She also has a background in educational marketing and recruitment as the former Director of High School Relations at Robert Morris University and the Director of High School Programs at DeVry University.

As a former television host of an Emmy-nominated television show, Knyja has interviewed an impressive catalog of celebrities and won numerous industry awards.

  • 2018-19 present Westchester Knicks
  • 2018-19 OKC Thunder
  • 2017-18 Raptors 905
  • Scored season high 13 points and 4 rebounds against Erie Bayhawks on March 23, 2019.
  • 26th pick, drafted 1st Round  by Raptor 905 2017
  • Member of the Butler Bulldogs Men’s Basketball Team
  • Led the Butler Bulldogs to the Sweet 16 during the 2016-17 season
  • 2018-19 present Stockton Kings
  • 2018-19 Northern Arizona Suns
  • 2017-18 Northern Arizona Suns
  • 2015-16 KK Jedinstvo Bijelo Poje
  • Scored  season high 20 point against Capital City Go-Go on March 23, 2019  with 4 made 3pt
  • Son of NBA Legend Tyrone Corbin
  • Graduated from Cal State Bakersfield, member of the Men’s Basketball Team
  • 2018-19 present Asociacion Atletica Quimsa
  • 2018-19 League MVP
  • 2018-19 League Championship Super 20
  • 2018-19 Soles de Santo Domingo Este
  • 2018 Rafael Barias
  • 2017-2018 Hapoel Galil Elyon
  • 2017 Atléticos de San Germán
  • 2016-2017 Westchester Knicks
  • 2016 Texas Legends
  • 2018-19 present Sigortam ITU Basket
  • 2018 Domingo Paulino Santiago
  • 2018 San Lázaro
  • 2017 Windy City Bulls
  • Scored a season high 18pts 10 rbs January 13, 2018
  • 12th pick, drafted 3rd Round by South Bay Lakers 2017
  • Member of the LIU Men’s Basketball Team
  • AP Honorable Mention All-American (2017)
  • NEC Player of the Year (2017)
  • 2× First-team All-NEC (2016, 2017)
  • Rookie Free Agent  - Draft Eligible 2019
  • Played in all 33 games, including 23 starts Averaged 5.5 points and 5.8 rebounds per game
  • Season High 13 rebounds against Canisus on January 17, 2019
  • Scored 12 pts and pulled down 5 rbs against Drexel on December 16, 2018
  • Member of the Quinnipiac Men’s Basketball Team
  • 2018-19 present Dame Ligaen
  • Averaging 25.9 points, 8.6 rebounds, 3.4 Assist per game
  • Broke single-season school record for free-throw percentage, shooting .887 (going 110-for-124)
  • Earned a second consecutive all-conference honorable mention
  • No. 6 all-time in the conference in career free-throw accuracy (.815)
  • Averaged 14.8 points, 4.4 rebounds, 2.8 assists and 1.6 steals as a junior, starting all 29 games
  • Scored a season-high 29 points in a win over UC Santa Barbara on Jan. 5
  • Selected for Big West Player of the Week and Coca-Cola Cal Poly Student-Athlete of the Week
  • 2018-19 Free Agent
  • Earned All-Big West Conference Second Team honors
  • Averaged 14.7 points, 7.8 rebounds, 2.3 assists and 1.7 steals
  • Had nine double-doubles on the season — tied for second throughout the conference
  • Increased her scoring to 16.3 points per game in Big West play
  • Shot .447 from the floor, .300 from 3-point range and .722 from the free-throw line
  • Named conference player of the week on Jan. 23
  • Scored a career-high 31 points at Sacramento State on Nov. 13
  • Twice had a 13 rebound performance against Pepperdine and Grand Canyon
  • 2019 New York Liberty
  • Played in 104 WNBA games, making 31 starts.
  • Playoff appearances with the Chicago Sky and New York Liberty.
  • Started all 33 games during junior season, extending streak to 99 consecutive starts
  • Became just the second Big South Defensive Player in Liberty history
  • First Team All-Big South selection two years in a row
  • Big South All-Tournament team
  • Per 48 rebounding number of 15.9 per game for the New York Liberty in 2015
  • Broke the Liberty and Big South single-season rebounding, finishing with 363 boards
  • Ranked No. 4 on Liberty’s career rebounding list (901) and No. 13 in points (1,027).
  • Graduated with a bachelor’s degree in psychology in May 2011
  • As a senior, shot 37.3% for 3PT
  • Led the Knights with 56 three-pointers as a junior
  • Played in all 32 games, starting four in first season on the court for the Knights.
  • Fourth on the team with 8.7 points per game.
  • Also averaged 4.1 rebounds per game, dished out 38 assists and picked up 26 steals.
  • Made a three in 26 out of 32 games, recording multiple three-pointers 19 times.
  • Scored in double figures in 16 games during the season.
  • First UCF player to score in double figures in first three games as a Knight since 2000-01.
Maya Joy Peterson is the Director of Operations at GMGSE. She and a seasoned Customer Experience Manager with 15 plus years in the field. Maya has extensive experience in the healthcare industry and she’s also a licensed health and life insurance producer. Having held multiple positions in the banking, medical and insurance fields, Maya is able to tailor her skills to meet the needs of various clients.

Her work has increased efficiency in several of her assigned roles - in 2016 MetLife of Metro Milwaukee honored her with an "Associate of the Year" award. She specializes in employee development programs such as staff retreats and new employee onboarding. Maya excels at interacting directly with potential and existing clients and has increased customer satisfaction ratings at an array of companies.                                                   

Maya graduated Cum Laude from Columbia College Chicago with a Bachelor of Arts in Communication. She is also an active member of the community in Milwaukee, WI, where she currently resides. Maya teaches art to a variety of Girl Scout troops, she’s a mentor at Pearls For Teen Girls and volunteers at Washington High School's College-Bound Program.

Manwell Talbert is a Master Trainer and Performance Coach at GMGSE. He’s a sports fitness expert with more than 15 years of experience and industry knowledge. Over his tenure in the industry, Manwell has trained multiple professional athletes across the NBA, NFL and dignitaries.

Manwell specializes in Strength and Conditioning, Sports Specific, Weight loss training and Nutrition. He also holds certifications in AFAA, NASM, Kettlebells, TRX, Pre and Post-natal and Trigger Point. A former professional football athlete for the Bossier-Shreveport Battlewings and previous college standout wide receiver at New Mexico State University, Manwell prides himself on hard work and
dedication to be your best self.

When he’s not training clients to excel at the highest levels, Manwell enjoys spending time with family
and friends.

Alexandra is a Master Trainer and Performance Coach at GMGSE. She’s a health and fitness expert with 13 years of industry knowledge. She studies the human body and how it operates to perform at its highest capacity. Alexandra works with athletes for independent professional training. She also competed on some of the largest contest and has won the IFFB Bikini Pro Card and the Miss Mr. America  All-Around Fitness Competitor multiple times.

Alexandra holds a Bachelors in Exercise Science, Masters in Sports Management, ACSM Exercise Physiologist, Personal Trainer, Health Coach, NCCPT Flexibility Specialist, Kettlebell One Certified, Pre and Post-natal certified, Pro IFBB Body Builder and owner of RX F.I.T Club.

As a former college standout track star the University of North Carolina – Charlotte (UNCC), she understands the drive of an athlete to excel at their personal best. She sets out to educate other athletes on how to improve their health and well-being through the “fitness” of their mind and body. Her motto is to change life’s perspective one workout at a time by gearing your mind to move your body to reach your attainable goals.”

Dale McNeil is the Director of Player Personnel & Development. His expertise extends from day to day interaction and training with clients. Dale is a former physical education teacher, with multiple years of teaching experience and a passion for helping others achieve their dreams.

Over the years, he’s been able to increase his knowledge for the game through literacy and execution. He honed his NBA knowledge and talents by working under the tutelage of former NBA veteran and general manager Billy Knight, he also work under former NBA scout Terry Knight. Dale currently attends NBA development camp hosted by the legendary Tim Grgurich each summer where he passes on his knowledge to up and coming players in the league.

A talented high school standout at the guard position, Dale played at Woodland Hills High School for the legendary coach Matt Furjanic in Pittsburgh, Pennsylvania. Dale went on to play college basketball at CCAC in Pittsburgh. He later participated in an individual workout with the Indiana Pacers. Although Dale did not make the team, the experience helped mold him into the position he holds today.

Dale earned his Bachelors of Science degree in therapeutic Recreation from Benedict College. During his free time, Dale loves traveling and spending time with family.

error: Content is protected !!