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.


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.

Colt Almodova

Strategic Account Manager

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.


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 spent seven years in the classroom teaching math and STEM Sports at a Title One Junior High in Gilbert, Arizona. She is also a Nationally Board Certified Teacher in Early Adolescent Math. 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 and Education Specialist. Her goal at STEM Sports is to share her experiences and excitement about STEM Sports curricula in hopes of getting it in the hands of as many instructors as possible.

Maria Petty

Visual Playmaker

Maria is a seasoned and passionate graphic designer who thrives working in the trenches to ensure projects are successfully produced. She has designed large format marketing collateral, web banners, catalogs, study guides, textbooks, product collateral and giveaway/promotional products. Her most recent endeavor was redesigning the PCA SKIN® packaging.

She is looking forward to contributing to the success of STEM Sports® mission. She is enthusiastic about the STEM Sports® curricula. She is confident they can impress an eagerness to learn and reinforce the children’s natural curiosity.


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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