Multi-Disciplinary Leaders Advance Client Work, Internal Systems and Market Presence 

February 13, 2024, ANN ARBOR, Mich. –Resource Recycling Systems (RRS) is pleased to announce nine new leaders to its ownership team: Marisa Adler, Erin Grimm, Holly Halliwill, Bryce Hesterman, Keira Higgins, Kate Maguire, Jeff Medlen, Steve Montle, and Elisa Seltzer. RRS sees value in diversifying ownership to help support and guide RRS’s future endeavors, with each of these new owners supporting the company’s continued growth and ensuring the delivery of high-quality consulting services to clients. 

The RRS Board of Directors has formalized a Share Purchase Program to provide a structure for opportunities to acquire shares. The new shareholders were selected based on their leadership qualities, performance outcomes, years of service, and career trajectory. Combined, they have served RRS clients for more than 59 years, embodying the company’s mission and contributing to its positive impact on clients and the industry at large. 

“Empowering employees as shareholders is not just a strategic investment; it’s a visionary commitment to cultivating a culture of shared success. We are strengthening our organization but also nurturing a community of dedicated leaders who drive growth, innovation, and prosperity for both themselves and the company as a whole,” says Brianne Haven, Chief Operating Officer and Chief Financial Officer at RRS. 

The new shareholders have supported RRS’s continued growth through serving clients, advancing internal systems, and effectively leading staff forward. Meet the new shareholders and their key contributions: 

Marisa Adler

Based in New Rochelle, NY, Marisa has been with RRS since 2016 and serves as senior consultant and leads RRS’s textile recovery practice. As a leader of the Corporate Sustainability Hub and member of the business development team, she provides mentorship to team members and supports company growth.

I’m honored to join the RRS ownership team and look forward to continuing to grow and develop RRS’s textile circularity practice.
– Marisa

Erin Grimm

Located in Ypsilanti, Michigan, Erin has been contributing to RRS since 2015, bringing expertise in creative strategy, graphic design, web design, and brand identity. She applies her design skills to elevate RRS’s corporate brand identity and client communication and branding needs

As a shareholder, I’m thrilled to amplify RRS’s visual identity. Bringing my expertise in creative strategy, graphic and web design, I look forward to shaping our brand’s impactful journey.
– Erin

Holly Halliwill

With RRS since 2019 and based in Ann Arbor, Michigan, Holly is a consulting engineer for the Markets and Infrastructure team. She has supported key aspects of fieldwork including developing and testing and safety protocols.

I am looking forward to continuing my work at RRS but now with even more committed investment. I hope to bring growth and increased efficiency in our projects from my unique perspective.
– Holli

Bryce Hesterman

Bryce is a senior consultant in the Markets and Infrastructure team and based in Portland, Oregon. He joined RRS in 2018 and leads RRS work in the pacific northwest. He supports the continued growth and success of NextCycle and also played a central role in establishing the company’s DEI Committee.

I’m thrilled to keep advancing RRS’s impact in the Pacific Northwest. With a wealth of experience, I look forward to driving circular economy growth and creating more equitable and inclusive systems within our company and our client projects.
– Bryce

Keira Higgins

Keira is based in Chelsea, Michigan, and has been with RRS since 2020. She has played a key role in the facilitation and successes of NextCycle Michigan. She also supported the establishment of RRS’s DEI Committee.  

I’m excited to be part of the mission at RRS and to offer my technical perspective and passion for sustainability to support impactful projects. Collectively, we are driving change to work towards a circular economy.
– Keira

Kate Maguire

Based in Urbana, Illinois, Kate has been with RRS since 2016 and serves as a consultant for the Data Core team. She is committed to high-quality analysis, and takes the initiative to distill data, learnings and best practices to share with the company to advance client work.

Over the past eight years RRS has grown in both volume and scope of projects, and it has been amazing to be a part of that growth. I look forward to continuing RRS’ mission to drive real world sustainability solutions for our clients.
– Kate

Jeff Medlen

Located in Canton, Michigan, Jeff serves as Technology Administrator for RRS. He has played a key role in the rollout and adoption of information systems, including Salesforce and Microsoft 365, that allow us to collaborate more efficiently and gain better insights into our business. He supports CRM administration, database development, and software configuration.  

“I‘m excited to continue improving RRS’s technology infrastructure. I look forward to contributing to our continued efficiency and success as a shareholder.”
– Jeff

Steve Montle

With RRS since 2013 and based in Millington, Michigan, Steve is a senior consultant specializing in government relations, communications, policy, and business development. His industry and political insights help RRS and our clients connect and succeed. 

After 10 years working for RRS, I’m excited to continue sharing my expertise and positively share the future of RRS.
– Steve

Elisa Seltzer

Based in Levering, Michigan, Elisa has been with RRS since 2019. A Sustainable Communities team leader, she assists communities in developing and improving recycling and composting programs, cultivating public-private partnerships, and strategically connecting the right resources. She has played a key role in driving NextCycle Michigan’s growth and success.

“I’m excited to join the RRS ownership team and draw upon three decades of public works leadership to build programs, cultivate collaborations, and advance circular economies and sustainable futures together!”
– Elisa

“The recent additions to our ownership have already demonstrated substantial value both internally and externally, and we eagerly anticipate their ongoing guidance as we expand our workforce and influence,” says Jim Frey, the co-founder and CEO of RRS.  

Established in 1986, RRS has been a pioneer in sustainable materials management, continuously expanding its services to support organizations throughout the materials management value chain.  

For more information about RRS and its commitment to sustainable materials management, please visit 

Download Media Release

Media Contact: Amanda Moore, Marketing Manager, RRS,, 734.996.1361 ext. 147