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WHO WE ARE

LST SPEAKERS & TALENT

At LST Speakers and Talent, we specialize in delivering the perfect match for your event or campaign. What sets us apart is our unique ability to identify the RIGHT speaker or talent to create the greatest impact. Whether it’s finding a powerful keynote speaker, celebrity, influencer, or athlete, our team leverages deep industry expertise and cultivated relationships to save you time and money. We ensure a strategic fit for your B2B, B2C, or B2G initiatives, elevating your events and campaigns while driving measurable results. 

 

Contact us today, and let us help you select the perfect speaker or talent for your next event!

OUR BRANDS

At LST Speakers and Talent, we specialize in delivering the perfect match for your event or campaign. What sets us apart is our unique ability to identify the RIGHT speaker or talent to create the greatest impact. Whether it’s finding a powerful keynote speaker, celebrity, influencer, or athlete, our team leverages deep industry expertise and cultivated relationships to save you time and money. We ensure a strategic fit for your B2B, B2C, or B2G initiatives, elevating your events and campaigns while driving measurable results. Contact us today, and let us help you select the perfect speaker for your next event!

At LST Speakers, our specialty and passion is matching the RIGHT speaker to the RIGHT audience!

We design and build grandstands, hospitality solutions and event infrastructures.

MEET OUR TEAM

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Sondra Ulin

VP, LST Speakers

Sondra Ulin has had a career spanning over 20 years in the speaking industry in sales, account management, and coordinating speaking engagements.  She managed several speakers offices as well as booked big name speakers on a global level for two speaker bureaus.  Sondra’s expertise is in booking incredible speakers for her clients and building lasting relationships with them as well as exceeding their expectations.  Her goal is to become friends with everyone she works with and wants all of her clients to have an amazing experience.
 

Sondra holds a B.A. in Public Relations from the University of Louisiana and resides in the Austin, Texas area where she enjoys the hill country lifestyle and cheering on the University of Texas football team.
 

1-800-787-2840
sondra.ulin@LSTSpeakers.com

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Mary Knox

VP, LST Talent

Mary Knox has extensive experience working with pro athletes and celebrity speakers, including more than 30 years of scheduling sports speakers for some of the top corporations in the U.S. and abroad. From corporate keynotes to fireside chats to moderators and panelists, Mary has utilized her wide network and ability to form ongoing relationships to book legends from every major sport (NFL, MLB, NBA, NFL, PGA TOUR, USSF, Olympics, NASCAR and IndyCar). A preferred vendor for AT&T Stadium and The Ford Star Center, Mary’s priority is finding the perfect speaker to fit your company’s goals and objectives.

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A native of South Carolina, Mary moved to Dallas after graduating with a B.A. from her beloved Clemson University, so she could be closer to her favorite pro team – the Dallas Cowboys!

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214-734-9119
mary.knox@lstmarketing.com

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Celeste Madden

Manager, Athlete & Talent Marketing

Celeste started at LST Marketing as a social media intern bringing new generational insights to technology. Following her internship, she was hired on full-time as a Talent and Athlete Marketing Manager. She handles talent and speaker logistics, assisting with marketing prices, research, and analytics. She’s had the opportunity to work with some amazing Speakers and Sports Legends, as well as Fortune 500 companies. Celeste has a charismatic, client facing personality, and we are happy to have her on our team!

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Celeste acquired her B.A. in Business Marketing at the University of Texas at Arlington back in 2022. She was born and raised in Bedford Texas and has always had a love for sports. Her love sparked at an early age during her 8-year elite gymnastics career. She is happy to continue that passion in the working world.


817-366-3358
celeste.madden@lstmarketing.com

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4514 Travis St #350

Dallas, TX 75205
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Dallas  |  Indianapolis  |  London

© 2025 by LST Marketing. All rights reserved.

A Veteran-Owned Company

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