Complex Sports & Entertainment Leadership

Mark Neifeld

Founder, President & CEO


Mark NeifeldMark Neifeld is currently President of Complex Sports & Entertainment LLC - a company driven by creating unique experiences at unique venues.

A veteran in the event and venue management industry, Neifeld founded Complex in 2018 with a vision to create a sales and programming model designed for entertainment venues of all types.

As a venue manager, he has overseen event services in some of the premier venues in the country, including AT&T Stadium, The Georgia Dome, Amalie Arena and Globe Life Park.

Neifeld has served as the venue's event manager for some of the country's most recognizable events, including the 2015 Inaugural College Football Playoff National Championship Game, the 50th Anniversary of the Academy of Country Music Awards and Wrestlemania XXXII. He also served on the NCAA's Facility Coordination Committee for the 2012 NCAA Final Four in New Orleans, the management team at the XBOX Media Center at Super Bowl XLVIII in New York/ New Jersey and has been a member of the the College Football Playoff's Stadium Operations Committee for the National Championship Games in Tampa Bay, Arizona, Atlanta and Northern California.

While at The Georgia Dome, Neifeld served as event manager for the 2013 75th Anniversary of the NCAA Final Four and Chair of Operations for the Final Four's Atlanta Local Organizing Committee. He also oversaw major events including the Chick-fil-A Peach Bowl (2010-14), Chick-fil-A Kickoff Games (2010-2014), Wrestlemania XXVII, 2011 & 2014 SEC Basketball Championships and 2012 NCAA South Regional.

Neifeld is a graduate of IAVM Venue Management School at Oglebay & IAVM Graduate Institute (2014). He served as a Class Representative for the VMS Class of 2013.

In July 2015, Neifeld was presented Florida State University's "Thirty Under 30 Award." The award was created to recognize the outstanding accomplishments of Florida State's young alumni.

Neifeld Lives in Trophy Club, Texas, with his wife Danielle, son Cole and daughter Kennedy.

Bryan Ness

Co-Founder & COO


Bryan Ness brings 11 years of experience in sports architecture and event overlay and design to Complex Sports and Entertainment.

Prior to joining Complex, he served as the lead designer and operations manager for various events across the globe. In addition to major events, Ness was involved in an array of permanent architecture projects for many professional and collegiate sports facilities.

Ness is a licensed architect and earned his Master’s Degree in Architecture from the University of Kansas. He currently lives in Denver, Colorado with his wife and their 2 dogs.


2026 United World Cup Bid

2020 Olympic Summer Games, Tokyo, Japan

2018 FIFA World Cup, Russia

2016 Olympic Summer Games, Rio De Janerio, Brazil

2014 Olympic Winter Games, Sochi, Russia

2012 Olympic Summer Games, London, England

2011 FIS Denver Big Air, Denver, Colorado

2015-18 College Football Playoffs

2015-18 NCAA March Madness Music Festival

2011-18 NCAA Men’s Final Four Basketball Tournament

2011-18 NFL Super Bowl

2011-17 NFL International Series


Kauffman Stadium Hall of Fame, Kansas City, Missouri

CONSOL Energy Center, Pittsburgh, Pennsylvania

TCF Bank Stadium, Minneapolis, Minnesota

Augusta National Media Center, Augusta, Georgia

Target Field, Minneapolis, Minnesota

University of Connecticut Basketball Training Facility, Mansfield, Connecticut

M&T; Bank Stadium Club Level Renovation, Baltimore, Maryland

O2 World Arena, Berlin, Germany

Mike Fogel

Vice President, Venues


Mike Fogel currently serves as the Security Manager at AT&T; Stadium with the Dallas Cowboys; a position which he has held since 2016. In this role Mike oversees all physical security, event security, and 24-hour security for one of the premier facilities in all professional sports. Additionally, Mike is tasked with coordinating with the City of Arlington on the management of the public safety services including police, fire/rescue, medical, and EOD/HAZMAT.

Fogel is a former Branch Manager for Contemporary Services Corporation’s (CSC) New York City office. There, his client list included the United States Tennis Association, West Point Military Academy, Fordham University and Columbia University. He served as the Director of Operations for Security and Crowd Management at the US Open Tennis Championship, which is annually attended by more than 650,000 guests.

Aside from his duties at AT&T; Stadium, Mike is a member of numerous committees around the country including the National Center for Spectator Sports Safety and Security (NCS4), International Association of Venue Managers (IAVM), and ASIS International. He has attained NCS4’s Certified Sports Security Professional designation, he is an IAVM Trained Crowd Manager, and has completed the U.S. Department of Homeland Security NIMS Training program.

In 2018, NCS4 presented Fogel with the “Industry Leader Under 40 Award” in the National Football League.

Fogel lives in Grapevine, Texas, with his wife Meghan.

Dann LG

Vice President, Events

New York

As an Event and Operations Director Dann LG has spent the last decade producing premiere athletic events with a focus on the endurance athletics industry.

Dann joins Complex with over 100 events under his belt. Events ranging from local “mom and pop” non-profit 5K’s to large scale international ultra trail races and obstacle course races.

Most recently LG was Senior Race Director at Spartan Race. During his time at Spartan he developed, managed and produced the entire Stadium Series from its inception in 2012. He directed over 50 events and designed some of the most challenging race courses in the most complex venues.

His role as Race Director has taken him around the world and connected him with a wide range of venue partners and organizations including The North Face, Genesis Adventures, Discover Outdoors, and dozens of MLB/NFL teams.

Since graduating from Messiah College in 2001 Dann has developed a wide range of planning and programming skills. His experiences include group team-building specialist, non-profit community program director, outdoor experiential educator, and international outdoor guide.

LG resides in Brooklyn, NY where he spends his early mornings training for ultras by searching in vain for new running trails in the city.

Stephanie Jacquemin

Director, Talent Mgmt.


As Director of Tours & Experiences for Complex, Stephanie Jacquemin oversees the design, development and implementation of the Company's venue experience platforms. Jacquemin serves as the lead creative developer for all university "eXperience" tour programs, and Complex's "Experiology" property.

Jacquemin joined Complex in June 2018, joining the team from The Walt Disney Company. During her time at Disney, she worked within event operations managing the planning experience and assisting in the execution of events ranging from youth groups to corporate meetings. Most recently she was with the Disney Institute in which she worked with organizations to transform their customer experience by overseeing their engagements.

Jacquemin brings her expertise in Disney's best practices for guest services, staff training and client services to Complex's expanding portfolio of university partners.

Jacquemin is a graduate of the University of Central Florida, and lives in Orlando with her two dogs, Tucker & Maui.

Greg Morton

Creative Director


As the Creative Director, Greg Morton is responsible for overseeing all company marketing initiatives across Complex’s growing portfolio of properties. Greg will lead Complex's efforts in brand development, social media and database marketing, media buying, sales campaigns, and partnership development. He will also support various aspects of event marketing, business operations, and hospitality.

Morton adds over 7 years of creative experience joining Complex in December 2018. Prior to his move, Greg was a Lead Designer for ESPN, contributing to a variety of live studio shows, rebrands, and remote events. He's been recognized with Sports Emmy nominations for the FIFA World Cup, UEFA Euro Cup, College Football, and Sports Center on Snapchat. Greg has also won multiple North America PromaxBDAs for his work on the 2015 Super Bowl Coverage and the 2014 NFL Studio Package.

Morton earned his BFA in New Media Design from the Rochester Institute of Technology and he currently resides in McKinney, TX.

KelVon Greer

Project Manager


As Manager, National Sales for Complex, KelVon Greer oversees the customer sales experience across all of the company's event-related properties.

KelVon joined Complex in October 2018, from Fair Park in Dallas, TX. During her time at Fair Park, she worked within event operations coordinating and providing logistical plans for a variety of events such as: fun runs, festivals, film shoots, concerts, expos, and high end private events. She also assisted with the State Fair of Texas and the Red River Showdown in the historic Cotton Bowl Stadium.

Prior to her time at Fair Park, KelVon was on the event operations team at AT&T; Stadium for the 2016-17 Dallas Cowboys Season. She worked on projects including multiple college football games, concerts, UIL High School State Football Championships, the Goodyear Cotton Bowl and WBO World Super-Welterweight Championship Fight.

In 2018, KelVon was recognized by the International Association of Venue Managers (IAVM) as a "30|UNDER|30 Award" recipient. This award is presented annually by the IAVM's Board of Trustees and recognizes the industry's most talented young professionals working in convention centers, arenas and stadiums across the country.

KelVon received her Bachelors degree from the University of Central Arkansas and her Masters degree from Florida State University. She lives in Flower Mound with her fiancé, son and dog.

Catherine Trudell

Marketing Manager


Vinny Cappadora

Manager, Operations

New York

Traci Larrison

Director of National Sales


Traci leads National Sales and Partnerships for all of the Complex brands and properties, including managing the headquarters sales team, as well as supporting venue teams and marketing for all events.

She brings 20 years of sales and marketing experience in the sports, music and special events industries.
Most recently, Traci managed partnerships for Learfield IMG College at Texas Christian University.
Prior to her time at TCU, she held Marketing and Business Development positions for ISP Sports at TCU, Scott Publishing, LKCM Radio in Fort Worth and KTCK Radio in Dallas, and Texas Motor Speedway.

She attended the School of Mass Communications at Texas Tech University for 2.5 years, then transferred back to the DFW sports market, graduating from the University of North Texas in 2000.
Traci lives in Fort Worth with her two sons, Connor and Judson.

Complex Sports & Entertainment Venues Team

Shannon Corrigan

General Manager

University of Kansas

Jessica Rooney

Associate General Manager

Florida State University

Complex Sports & Entertainment Board of Advisors

Carl Adkins

After 21 years with the Georgia Dome as general manager and assistant general manager overseeing over 1,000 events ranging from Super Bowls to Final Fours to over 200 NFL games and Basketball and Gymnastics during the Centennial Olympic Games, Adkins was named Executive Director of the Atlanta Football Host Committee (AFHC), the Atlanta Basketball Host Committee (ABHC) in June of 2016 and Executive Director of the Atlanta Super Bowl 53 Host Committee in December of 2016. As Executive Director of the host committee, he is responsible for all venue relations, city-wide planning, promotion and coordination for all aspects of the “Big 3” events to be played in the new Mercedes-Benz stadium in January of 2018, February of 2019 and April of 2020.

A 40 year veteran of Public Assembly Venues and Event Management, he has held various roles with the Huntington (WV) Civic Center, the Orange County Convention-Civic Center, the Nashville Convention Center, the Georgia World Congress Center Authority and has served as an on-site operational consultant for 15 Super Bowls. He’s also served as the Chair of the Board of Governors of the International Association of Venue Managers (IAVM) Senior Executive Symposium at Cornell, past Director of the Stadium Sector on the IAVM Board of Directors, the Chick-fil-A Bowl Board of Directors for 10 years and is currently serving as a member of the Stadium Manager’s Association Foundation Board of Directors. A proud Marshall University alum, Adkins continues to serve as a member of the Stadium Managers Association, The Gridiron Stadium Network, The International Association of Exposition and Events, the International Association of Venue Managers, the Board of Directors of the Celebration Bowl and the Atlanta Sports Council.

Dr. Jeanne Boyd

Dr. Jeanne Boyd directed the Men's Final Four from 2003-2014 and oversaw all operations of the championship which included strategy development, financial management and new initiative implementation. Additionally, she managed special projects such as the Preliminary-Rounds and Final Four site selection process and various research projects.

Prior to her NCAA role, Dr. Boyd was the Associate Commissioner for Championships and Operations at the Sun Belt Conference. While there, she directed 17 different conference championships each year, served as the liaison to the head coaches, oversaw the officiating program and formulated regular-season schedules for all sports. Additionally, she was named as the Operations Director for the inaugural New Orleans Bowl and the Game Management Director for the 2001 First and Second Rounds and the 2003 Men's Final Four.

From 1997-2000, Boyd was the Assistant Director of Event Management at Louisiana State University where she managed all home athletic events and assisted in the operations of all NCAA championships held on campus.

Dr. Boyd has been appointed to various committees including the Division I Championships and Sports Management Cabinet, the Division I Football Bowl Certification Committee and the College Event and Facility Management Association (CEFMA) Board of Directors. She has lectured to various groups across the country and taught courses in research methodology, program and event planning, and sports management at LSU, Clemson University and the University of Florida.

She earned her BS and MS degrees in Health and Human Performance from the University of Florida and Ph.D. in Education Leadership and Research from Louisiana State University.

Derrick Heggans

Derrick Heggans is an Assistant Professor of the Robert H. Smith School of Business at the University of Maryland, serving as the Faculty Champion for the Sports Management Fellows Program and Faculty Director for the Maryland Sports Business Academy. Heggans also serves as theFounder and CEO of Team Turnaround, an organization supporting President Obama’s “My Brother’s Keeper Initiative” focused on improving life outcomes for boys and young men of color. Team Turnaround is focused on using the infrastructure and assets of the sports and entertainment communities to promote equity in education, turnaround the performance of low-performing schools, reducing the national high school dropout rate and increasing post-secondary matriculation for all underserved kids, in particular for kids of color.

Prior to starting Team Turnaround, Heggans served as the Managing Director of the Wharton Sports Business Initiative, a research and education-focused think tank based at the Wharton School at the University of Pennsylvania from 2010-2013. While at Wharton, Heggans founded and served as Director of the Wharton Sports Business Academy.

Prior to joining the Wharton Sports Business Initiative, Heggans worked at AOL as General Manager of AOL’s Sports Channel, overseeing all business and programming operations. In 2008, he was named by Sports Business Journal as one of the “20 Most Influential in Sports Digital Media”. In March 2009, Heggans was named to Sports Business Journal 2009 “Forty Under 40” list of most dynamic young executives in business of Sports under the age of 40.

Prior to his time with AOL, Heggans worked for the National Football League from 1998 through 2004 in various legal roles. In May 1998, he began working at NFL Properties, the marketing and licensing division of the National Football League, in the Legal & Business Affairs Department as a staff attorney. His primary role was serving as business affairs counsel for Corporate Sponsorships, Marketing and Special Events. In May 2001, Heggans moved to the Office of the Commissioner of the National Football League as Assistant Counsel for Broadcast Operations and Policy, where he assisted the Broadcasting Department, NFL Films, and NFL Enterprises in negotiating, structuring and administering various League media contracts; advised clubs on broadcast issues; managed League participation in copyright tribunals in the United States, Canada and elsewhere; served as chief business affairs counsel for implementation of Super Bowl, Pro Bowl and other NFL run special events; and served on the Super Bowl Policy Committee.

A native and current resident of Washington, DC, Heggans graduated from Duke University in 1992. He also graduated from George Washington University’s School of Law in 1998 and is a member of the NY Bar.

Will Hunter

Will Hunter, is a global Event Operations executive with more than 15 years of experience working with some of the world’s most iconic brands – the National Football League, The Dallas Cowboys and National Collegiate Athletic Associations. Hunter’s worked the most prestigious events the NFL has to offer: World Bowl XI, Super Bowl (fourtimes), NFL Draft (five times).

While with the Cowboys, he spearheaded the opening of the AT&T; Stadium and managed more than 100 eventswith a total audience of more than 2 million, including Super Bowl XLV and the largest All-Star Game in the history of the NBA.

Hunter is currently the Vice President, Operations for the Pac-12 Conference where he oversees the development and operation of all Pac-12 Events including the Football Championship Game, Men’s Basketball Tournament and the annual Pac-12 China Game in Shanghai, China.

Hunter earned his B.S. in Psychologyfrom Wofford College where he was captain of the football team.

He and his wife, Tiffany, are the proud parents of their daughter Avery and reside in the San Francisco Bay Area.

Dr. Jason Pappas

Dr. Jason Pappas is an Associate Teaching Professor and Director of Undergraduate and Graduate Internship Program in the Department of Sport Management at Florida State University.

Prior to his teaching career, he served as a Director of Athletic Academic Support/Associate Athletic Director at Florida State University for Student Athlete Academic Services. He came to FSU from the University of Southern California where he was the Director of Athletic Academic Advising/Assistant Athletic Director for the athletic academic support program (2006-2011). Before relocating to Los Angeles, he was a member of the academic support team for the University of South Carolina’s Athletic Department (1999-2006). Dr. Pappas served as Director of Academic Support and had primary responsibility for football and baseball academic progress.

A graduate of Florida State University in 1996 with a Bachelor of Science in Business Communications, Dr. Pappas earned a Master of Science from Florida State University in 1998 in Sports Administration. He completed his Master of Education degree in Educational Administration from the University of South Carolina in 2001. In 2010, Dr. Pappas earned his Doctor of Education in Educational Administration at the University of Southern California.

Dr. Pappas was born in Las Vegas, Nev. He has a son, Anthony Mason, two daughters, Alexa Grace and Madelyn Elise.