Front Office

Brad Seymour — President

Brad Seymour serves as President of the Windy City Bulls.

Seymour joined the Bulls in February 2016 with more than 20 years of minor league team experience.

Prior to his move to the Northwest Suburbs, Seymour was with the Lake County Captains, the Class A affiliate of the Cleveland Indians, located in Eastlake, Ohio. Seymour has served as Vice President and General Manager of the team since 2009, and under his leadership the organization developed several memorable game day promotions and fan experiences that led to increased revenues and improved profitability each year. Following the 2010 season, Seymour spearheaded the successful re-branding of the team identity and logos, marking the first major changes to the club’s image.

While with the Captains, Seymour held a concurrent role from 2011-2014 as the Vice President of the Lancaster JetHawks, the Class A – Advanced affiliate of the Houston Astros, located in Lancaster, California. He also served as General Manager of the JetHawks from 2004-2008. During his tenure with the JetHawks, Seymour oversaw an operation that posted record revenue and attendance figures, increased the number of facility events annually and initiated several capital improvements throughout the stadium.

Prior to his posts with the JetHawks and Captains, he spent nine seasons with the Sioux Falls (SD) Canaries of the independent Northern League and served as General Manager from 2002-2003, where he guided the organization’s business and baseball operations. Seymour started his career in 1995 with the San Jose Giants (A-San Francisco) of the California League.

A native of Morgan Hill, California, Seymour is married with two children.

Josh Kreibich — Manager of Basketball Operations 

Josh Kreibich serves as the Manager of Basketball Operations for the Windy City Bulls, after having served as the Coordinator of Basketball Operations and as an Assistant Coach during the 2016-2018 seasons. After graduating from the University of Arizona in 2012, Josh worked as an Assistant Coach for Concordia University Texas from 2012-2014. Josh then spent a few years at Northern Arizona University and served as a Graduate Assistant for the 2014-2015 season and the Director of Basketball Operations for the 2015-2016 season.



Bobby Mengler — Director of Ticket Sales

Bobby Mengler serves as Director of Ticket Sales for the Windy City Bulls and joined the front office in July of 2018. He got his start in the industry working for the Chicago Bulls as a Ticket Sales Representative in the 2004-05 season.

From 2006-08 Bobby worked as a season ticket account executive for Maloof Sports & Entertainment. From 2008-10 he managed a 12-person sales and services staff with the Chicago Sky that sold and serviced full season, mini-package, and group tickets. In 2010 Bobby managed a 7-person sales and services, box office, and ticket operations department with the Lake County Fielders during their inaugural season in the Northern League. From 2011-2016 Bobby managed a student based sales group, CavForce, who was made up of a group of 40 UVa students who sold full season, mini-package, group tickets, and serviced accounts for Virginia athletics. Bobby ran Sponsorship sales in 2017-18 for the PGA Tour owned Web.com Tournament, the Rust-Oleum Championship.

Bobby graduated with a degree in sport management from Northern Illinois University in 2004 and is a native of Schaumburg, IL. He is excited about being back in the Bulls family and ready for the upcoming Windy City Bulls season!

To contact Bobby, please call 847.396.9304 or emailbmengler@bulls.com

Jazmine Constantino — Business Development Manager

Jazmine Constantino serves as the Business Development Manager for the Windy City Bulls. Jazmine joins the front office after having spent five seasons with the Iowa Wolves NBA G League team in Des Moines, IA. A native of Davenport, IA Jazmine graduated from The University of Iowa – Henry B. Tippie College of Business with a B.B.A in Management & Organizations, a Certificate in Leadership Studies and a Spanish Minor. Prior to graduating, she interned for Z102.9 Cedar Rapids, IA radio station as an Events & Promotions Intern and also as a Street Team Intern for the Quad City River Bandits Single A Baseball Team Affiliate of the Houston Astros.

Jazmine enjoys being in the community to promote active lifestyles and the love for sports. As a sister in Sigma Lambda Gamma National Sorority, Inc. Jazmine is a strong believer in diversity and lives by “Culture is Pride, Pride is Success”. She is also an active Lions Club Member. Jazmine is excited to build relationships with the Chicago suburb communities and create fun experiences for WCB fans!

To contact Jazmine, please call 847.396-9303 or emailjconstantino@bulls.com

Mallory Eichhorn — Group Sales Manager

Mallory Eichhorn serves as a Ticket Executive for the Windy City Bulls. She graduated from the University of Wisconsin-Whitewater with a Bachelor’s Degree in Marketing and minors in Spanish and Psychology. After graduating, she went on a 3-month trip, backpacking across South America. You may have even seen her on the Ryan Seacrest show during the 2016 Olympics in Rio! Upon returning, she was hired by the Windy City Bulls as a Ticket Representative, and four months into her internship, she was offered a full-time position!

To contact Mallory, please call 847.396.9305 or emailmeichhorn@bulls.com


Sean Mendyk — Account Executive

Sean Mendyk serves as a Ticket Executive for the Windy City Bulls. Sean is from Downers Grove, IL and graduated from Illinois State University with a Bachelor’s Degree in Communications and a minor in Business Administration. Before joining Windy City, he spent three seasons with the Normal CornBelters baseball team of the Frontier League. As a diehard Bulls fan, Sean looks forward to building lasting relationships and memorable experiences for Bulls fans and members of the community.

To contact Sean, please call 847.396.9306 or emailsmendyk@bulls.com 



R. Matt Marquez — Account Executive

R. Matt Marquez serves as an Account Executive for the Windy City Bulls. Matt is from the Hazel Crest, IL and he graduated from the University of Iowa with his bachelor’s degree in Sport and Business Management and a certificate in Entrepreneurial Management from Iowa’s TIPPIE College of Business. While finishing up his academic career he spent 8 years as part of the Iowa Army National Guard as part of a the 1133rd Det. 1 Transportation Company (88M) in Iowa City, Iowa. 

While attending the University of Iowa Matt worked for the coaches with the Iowa Softball team as a student manager, which led him to intern with the Chicago Bandits, a professional softball team located in Rosemont, IL. He continued later worked with the Cedar Rapids Kernels, the Minnesota Twins Single-A Team that is located in Cedar Rapids, Iowa before starting his NBA career as a Sales Associate for the Milwaukee Bucks. Matt then made his transition back to Chicago to take on the role of an Account Executive for the Chicago Sky before joining Windy City. 

As a born and breed Chicagoan Matt looks forward to his continuous mission of building long lasting relationships and memorable experiences for Bulls fans and members of the business community. To contact Sean, please call 847.396.9312 or emailmmarquez@bulls.com