Skip to Content
COSA logo COSA logo Contact Us


Learn from the Experts


Combined, the COSA team has decades of experience designing curriculum, designing programs, building partnerships, fundraising, and growing their impact.


The COSA team is available to speak with you and your team about what it takes to be successful and where trends in OST are leading the field.

Steve Shergalis team photo

Steve Shergalis

Speaker | Chief Strategy Office, Open Doors Academy

Steve Shergalis has worked as a senior level administrator in a wide variety of K-12 school districts in his 29 years in public education.

His experience has included a strong emphasis on business operations, human resources, and encouraging the development of organizational leadership capabilities.

In his many leadership roles, he has maintained a consistent focus on helping all public school employees enthusiastically contribute to, and feel responsible for, the achievement of educational excellence.

Learn More

Mark Noftz

Speaker | Statewide Training Director, COSA

Mark Noftz has been an out-of-school time professional since 2008 when he began tutoring in afterschool programs. He quickly developed a passion for these programs because of their impact and the opportunities they create for youth.

Mark then moved into various leadership roles in the OST field. From 2010-2018, Mark served as a Center Director and Site Coordinator for Horizon Education Centers where he managed various 21st CCLC afterschool programs in Elyria and Cleveland.

Mark joined COSA as its Training Director in July 2018.

Learn More
Mark Noftz team photo