Meet Our Team


Jeff Golner

President & CEO

Golner is also the Principle Principal of Agency G, a full service creative, marketing and event production firm.  Successfully operating since November 2005, Agency G works with a wide range of businesses in sports, entertainment, service industries and not-for profit organizations.

Prior to venturing on his own, Golner enjoyed a long marketing, game operations and entertainment career with the Arizona Diamondbacks from 1997 to 2005, leaving as Senior Director of Game Operations. Golner produced close to 700 Major League Baseball games including playoff games and the four World Series games in 2001 that culminated with a Championship. Golner also served a three-year ticketing stint with the Colorado Rockies from 1994 to 1996.

Taylor Hedrick

Marketing & Development Coordinator

Taylor is a recent 2022 graduate from the Colangelo College of Business at Grand Canyon University. While at GCU, she obtained her B.S. in Marketing and Advertising and plans to expand her education with a Master’s Degree in Marketing in the near future. She has relocated from Redlands, CA to Phoenix, AZ in order to continue working for STEM Sports as Marketing and Development Coordinator. Taylor is extremely excited to use her academic and professional experience in sports education to further her marketing career.


Andrea Kranitz


Andrea Kranitz, Integrative Business Solutions founder and lead consultant is a seasoned business and accounting management professional with a long and proven track record in streamlining business operations.

After attaining a degree in Accounting from Miami University in Oxford Ohio, Andrea started her career in public accounting and then moved on to private industry in various management and controllership roles, while earning certifications in both public and management accounting. She is also a Certified Advanced Quickbooks ProAdvisor.

Andrea is a graduate of Scottsdale Leadership Class XXVII and holds the position of Vice Chair, Resource Development on the Scottsdale Leadership Board of Directors.


Carli Kreuger

Visual Playmaker

Carli is a Phoenix-based graphic designer, illustrator, copy editor and brand strategist. She is also an adjunct professor at the Walter Cronkite School of Journalism at Arizona State University teaching Digital Design. She graduated in 2013 from the University of Montana with a degree in journalism. She’s worked for newspapers, the multifamily housing industry and the Heard Museum – which included working on children’s exhibitions and education. A lifelong sports fan and learner, she’s excited to help marry STEM education with athletics through visuals.


Sean Barton

Chief Value Officer – Curriculum & Strategy

Sean was hired in March of 2019.  He is responsible for the development and sustainability of the STEM Sports® curricula and strategic plan, in addition to providing budgetary, personnel, and operational support to the President & CEO.Sean’s goal is to apply his professional and academic experiences to support and drive the mission of STEM Sports®, diligently serving students and educators in a vast and changing world.

Lawrence K. White

Chief Financial Officer

A creative senior financial leader with expertise in mergers and acquisitions, operations, negotiating and securing favorable debt instruments, improving cash flow, managing banking relations and investor relations in a high-growth environment.  Highly successful in building productive teams and developing top performing people.   A leadership style that creates positive change and delivers results.

Haley MacLean

Education & Curriculum Specialist

Haley has been in the classroom teaching since 2016 and is a Nationally Board Certified Teacher in Early Adolescent Math. She has taught a variety of subjects, including Math, STEM, and AVID. Haley grew up playing every sport, and knew one day she wanted to find a career that would combine her two favorite things: teaching and sports. Haley joined the STEM Sports® team in 2021 as a Curriculum Writer and Sales Captain

Colt Almodova

Special Teams Player

Colt is a senior at Arizona State University’s Walter Cronkite School of Journalism and Mass Communication pursuing a degree in sports journalism with a minor in business. In April 2022, Colt began his role as “Special Teams Player” at STEM Sports, primarily supporting the Sales Captain and Marketing & Development Coordinator through their lead generation and customer acquisition efforts. With a background in journalism and broadcast media, Colt is excited to use his communication skills to fulfill the strategic goals of STEM Sports, all while learning the responsibilities of the marketing field. 

As a native of Oʻahu, Hawaiʻi, Colt is very passionate about his Hawaiian heritage and is looking forward to bringing the island flavor to his career in the sports business industry.


Lauren Chiangpradit

Digital Media Captain

Lauren is a two-time ASU graduate with a degree in sports journalism and a master’s in sports law and business. She uses her passion for writing to support the STEM Sports® team by creating weekly blogs on various STEM, education, and sports topics.

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