About Us

Bob Barron

Executive Director

 Bob is a seasoned sales and marketing leader with over 30 years of experience driving growth and managing high-performing teams. As Executive Director of IMPACT Parks, Bob brings a wealth of expertise in developing strategic partnerships and global distribution networks, including work with industry leaders and Fortune 100 companies. He currently oversees all domestic and international sales efforts for GameTime, helping to expand access to innovative play and recreation solutions. A passionate advocate for community well-being, Bob is actively involved in several industry organizations and is dedicated to creating healthier, more connected communities through purposeful play and recreation spaces.

Kathryn Barnes

Director of Client Services & Marketing

Since joining PlayCore in 2014, Kathryn has managed dozens of partner projects for GameTime and IMPACT Parks. She brings 14 years of experience in event, project, and partnership management, including work with financial institutions and tech companies. Kathryn oversees marketing for IMPACT Parks, leading efforts on the website, paid ad campaigns, and a variety of marketing strategies. She loves sharing project successes, building brand awareness, and creating campaigns that connect with clients and communities.In addition to marketing, Kathryn leads the client services team, ensuring strategies align with client goals and deliver meaningful community impact. She works closely with stakeholders to maintain strong relationships and achieve successful outcomes. Outside of work, Kathryn enjoys visiting and playing at local parks with her husband and their two young children, ages 2 and 4.

Kent Callison

Director of Community Engagement

As Director of Community Engagement, Kent Callison serves as the chief storyteller for IMPACT Parks, helping to share the powerful impact of parks on communities. He is passionate about highlighting the people, partnerships, and purpose behind every project that brings healthier, more connected communities to life. With a background in marketing and communications, Kent also serves as Director of Marketing for GameTime and is a nationally recognized PlayCore Master Trainer through the Center for Outreach, Research, and Education (CORE).

Andy Carr

Senior Landscape Architect

Andy is a licensed Landscape Architect with over a decade of experience working an array of projects with a primary focus on public park and recreation facilities. He holds a  Master of Landscape Architecture degree, with an undergraduate in Plant Science and Landscape Systems, both from the University of Tennessee, receiving the Faculty Design Award of Excellence.

At IMPACT Parks, Andy works collaboratively with professionals, community leaders, and manufacturers to responsibly design and develop spaces to their best use, meeting the needs and goals of the client and community. Andy enjoys spending time with his active family in their pursuit of sports and the great outdoors.

Rudy Pottorff

Partnership Development Manager

Rudy is a dedicated community development leader with over 20 years of experience in strategic partnerships, social impact, and inclusive placemaking. He has worked across public, private, and nonprofit sectors to deliver innovative park and recreation projects that support youth, families, and underserved communities.

At IMPACT Parks, Rudy leads collaboration with civic leaders, nonprofits, and corporate partners to create wellness-centered spaces that reflect each community’s unique identity and needs. Originally from Indiana, Rudy is an Indiana University graduate and now lives in Chicago with his family. He enjoys camping, outdoor adventures, and staying active through sports and fitness.

Robert Mazza

Construction Project Manager

Robert has over 10 years of experience in the construction industry, with a background in both general construction and concrete construction. Prior to joining Impact Parks, he worked with EMJ Construction and Martin Concrete Construction.

 At IMPACT Parks, Robert is the lead construction manager for a diverse group of projects and is the driving factor in getting projects built on time and within budget. Robert oversees every aspect of construction projects, from start to completion. He manages crews to get sites ready, coordinates equipment orders and installation, oversees necessary permitting, and meets and communicates updates with stakeholders.

Hannah Holseberg

Project Designer

Hannah holds a  Bachelor of Landscape Architecture degree from the University of Clemson. She has extensive experience working collaboratively with multidisciplinary teams in both the rural and urban environments.

At IMPACT Parks, Hannah works closely with team members to develop design concepts, renderings and construction documentation that help to bring projects to life.

Shawna Birkett

Special Project Designer

Shawna Birkett brings over two decades of design expertise to IMPACT Parks, with a background in Graphic Design and a passion for creating inclusive, inspiring play environments. She began designing commercial playgrounds in 2003, primarily serving communities in Alaska, Washington, and Oregon. During that time, her work earned multiple “Best of King 5” recognitions and included standout projects like ADA-accessible Dream Destination Playgrounds at Lake Sammamish State Park and Columbia Park.

Since 2019, Shawna has been designing award-winning, accessible playgrounds for communities across the globe. Her work reflects a deep commitment to equity, creativity, and joyful outdoor spaces for all.

Emmanuel Ramos

Project Designer

Coming Soon!

Juliet Ruggiero

Program and Marketing Coordinator

Juliet is a brand marketing professional with a strong foundation in campaign development, client management, and media planning. She holds a Marketing degree from the University of Tennessee at Chattanooga and has led initiatives for nationally recognized brands including Wendy’s, Panera, and TaxAct, blending creativity with a data-driven approach to engagement.

At IMPACT Parks, Juliet supports brand strategy and marketing efforts that elevate the organization’s mission to create healthier, more connected communities through parks and public spaces. Outside of work, she enjoys traveling, staying active, and spending time with friends and family.

Bob Barron

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