About Us

Global Sports & Events (GSE) is a leader in producing unique sporting events and experiences for athletes to grow inside and outside their sport. With over three decades of practice and a deep sports network around the globe, the GSE team has organized hundreds of high-profile events spanning collegiate and amateur athletics. GSE is committed to advancing the athlete experience so that sports remain a positive force.

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Why Choose Us

Reputation

Always do the right thing, no matter the cost.

Innovation

Stay current, modern and forward-thinking.

Relationships

Prioritize people with authenticity and inclusivity.

Positivity

Keep sports a fun, positive force!

Our Services

With a specialization in athlete impact and international logistics, we pride ourself in creating memorable experiences for athletes, coaches, fans, donors, universities and conferences. Additionally, we produce high-end tournaments and MTE's and provide services for team acquisition, deal structure, NIL project execution, event operations, media and distribution consultation, and student-athlete development.



Foreign Tours

Facilitate tours for athletes, coaches, fans and donors around the world.

Team Acquisition

Manage scheduling and negotiation with teams to attend your events.

Tournaments

Produce high-profile annual tournaments and multi-team events.

Consultation

Expert guidance on event operations, media distribution, deal structure, and more.

Our Team

We bring over 3 decades of excellence in producing sports events and experiences. Driven by our collective desire to support athletes.

Erik Evans

Partner, Ops

Brian Ratzliff

Managing Partner

Sara Mosiman

Partner, Strategy

Ayumi Sumile

Executive Assistant

Jason Sarkies

Partner, Ops & Finance

Olivia Onnen

Marketing Specialist

Sean McShane

Partner, Business Development

Jason Sarkies

Partner
Operations & Finance

Sara Mosiman

Partner
Strategy

Erik Evans

Partner
Logistics

Sean McShane

Partner
Business Development

Brian Ratzliff

Managing Partner

Ayumi Sumile

Executive Assistant

Jason Sarkies

Partner
Operations & Finance

Sara Mosiman

Partner
Strategy & Growth

Erik Evans

Partner
Logistics

Sean McShane

Partner
Business Development

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Erica Cenci

Director of Athlete Impact

Brian Ratzliff

Managing Partner

Ayumi Sumile

Executive Assistant

Our Team

We bring over 3 decades of excellence in producing sports events and experiences. Driven by our collective desire to support athletes.

Erik Evans

Partner, Ops

Brian Ratzliff

Managing Partner

Sara Mosiman

Partner, Strategy

Ayumi Sumile

Executive Assistant

Jason Sarkies

Partner, Ops & Finance

Olivia Onnen

Marketing Specialist

Sean McShane

Partner, Business Development

Trusted By

In addition to our over 100 university and school clients, we work with partners who share our values and believe in athletes and the power of sports.

Olivia Onnen

Marketing Specialist

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Ayumi Sumile

Executive Assistant

Ayumi is the Executive Assistant for the partners at GSE. She is a highly versatile and experienced EA with a proven track record of success. She has supported executives from healthcare, technology, and broadcast including Pfizer Inc. and Time Warner Cable. In addition to supporting the partners at GSE, she assists the company with project management, graphic design and creative projects.

Erik Evans

Partner, Logistics

Erik Evans has been organizing international tours for teams and schools since 1992 and has executed over 200 tours alone. He has personally led over 40 groups overseas and his primary countries of expertise include Spain, Australia, and Costa Rica. Additionally, Evans is the tournament director of one of the longest-standing and largest highschool tournaments in the nation, the Surf ‘N Slam. 2023 marks the 30th anniversary of the Surf ‘N Slam, which welcomes athletes, coaches, families and fans to the San Diego region. Evans played basketball and tennis during his undergraduate years at Seattle Pacific University and currently lives in Seattle with his wife, Stephanie, and their three children.

Brian Ratzliff

Managing Partner

A long-time entrepreneur and technology manager, Brian has spent the last twenty years holding successive positions of leadership in companies generally focused on leveraging technology to bring a compelling consumer benefit to the marketplace. For the last year, Brian has led the strategic thinking and growth strategy for Basketball Travelers, Inc., and BTI Events. Out of these strategic sessions has come the core management team and approach for Global Sports & Events.

From 2010-2018, Brian was the co-founder and President of WhatCounts, Inc., a leading permission email and social media platform that was sold to Mansell Group (Atlanta) and Riverside (NY). Previously, Brian was part of the leadership team at ShareBuilder.com, an innovative online brokerage, and financial services firm. He began his technology career in 1994-1998 during the dawn of the internet commercialization phase when he was a member of the product management and business development teams at Internet pioneer – Starwave Corporation, a Paul Allen company.

Brian holds an MBA from the Ivey School of Business, University of Western Ontario, Canada, where he graduated Dean’s List and a BA from Trinity Western University in Vancouver, Canada where he played varsity basketball.

Sean McShane

Partner, Business Development

Sean has a 25-year career successfully organizing and executing NCAA events both nationally and internationally. Sean has both played and coached at the collegiate and professional levels and brings a high-level sporting background that has seen him compete and manage successful teams and coordinate elite sporting events in many countries throughout the world. With a passion for the Bahamas, Sean has directed Men’s and Women’s events in Freeport and Bimini for the last 15 years. Sean has an uncanny ability to develop top competitive talent. Sean has served as a Director of Financial Services and has held deciding roles in Business Development and in 2016 founded InReach Community DX, where he currently serves as the CEO.

Jason Sarkies

Partner, Operations & Finance

With almost three decades of experience, Jason is an industry veteran in the logistics of tours and tournaments. Before co-founding GSE, he led the organization of dozens of collegiate and high school events in his 25+ years in the business with Basketball Travelers, Inc, specializing in over 100 foreign tours. Additionally, Jason is the tournament director of the Cactus Jam, a Girls and Boys High School basketball tournament held after Christmas in Phoenix, Arizona in its 24th year. Jason holds a Master’s degree in Athletic Administration from Ohio State University as well as a Bachelor of Arts in Marketing from Willamette University and Seattle Pacific University. Jason also played football during his years as an undergrad.

Sara Mosiman

Partner, Strategy

Mosiman oversees strategy and new business development for GSE, including expanding to new markets and broadening its vision. Her passion for closing diversity gaps, impacting athletes, and the benefits of sports aligns with the shifting landscape in amateur athletics and the broadened scope of GSE.

Prior to joining GSE, Mosiman ran The Sports Institute at UW Medicine, a player health and safety organization launched in partnership with the NFL. She was responsible for the Institute’s strategy, growth, fundraising and financial sustainability. She also directed the units that built and deployed digital health technologies, programs and other innovations in sports safety and participation. Previously, she was the director of business development at Basketball Travelers, driving expansion and growth while running DI tournaments in the Bahamas and Las Vegas.

A Seattle-native, Mosiman was a captain and four-year letterwinner at the University of Washington, where she played basketball for the Huskies. She returned to UW’s Foster School of Business for her MBA and was inducted into Delta Airlines Ones to Watch, a program honoring upward mobile leaders in key industries nationwide. She currently serves on the UW Foundation board, Positive Coaching Alliance advisory board, Seattle Sports Commission, volunteers at the Buerk Center for Entrepreneurship, and coaches for the Special Olympics.