Our services span an athlete’s career ranging from contract negotiations, pre-draft training, statistical analysis, marketing and branding, social media/digital platform development, media training and public relations and more.

GMGSE also offers business management, concierge services, foundation administration and philanthropic ventures, post-career planning, legal support while administering advisory services related to; bill pay, wealth management, financial planning, business development and risk management.

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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.

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