American University’s Mosaic Collective brings alumni together through shared experiences, interests, and careers, creating meaningful connections across industries, cultures, and communities. As a reflection of AU’s vibrant and inclusive spirit, the Mosaic Collective celebrates the many voices that shape the university’s community and is welcome to all alumni. Even long after graduation, it serves as a reminder that AU alumni remain an integral part of the Eagle family.  

Learn more about the new and current Mosaic Collective chairs and volunteer leaders: 

Steven Betsch, SPA/BA ’23, MPA ’24 | Veterans Alumni Network 

Steven Betsch is chair of the AU Veterans Alumni Network. He served for five years in the United States Navy on board USS Helena and USS Indiana. A Double Eagle, Steven worked as a staff member of AU’s Veterans Services team and was part of the campus-wide Veterans Services Support Network. He currently works as an American Legion Veterans Employment & Education policy associate. 

Saul Burk | Jewish Alumni Alliance 

Saul Burk is chair of the newly formed Jewish Alumni Alliance (JAA). He is responsible for guiding the organization and strengthening the connections between alumni, students, and the University. Saul attended the University of Maryland Dental School, followed by an internship at McGill University and an Orthodontics program at Georgetown University. In addition to his role with the JAA, he teaches orthodontics part-time to residents at the University of Maryland Dental School. 

Jonathan Dantzler, SPA/BA ’21 | AU Black Alumni Alliance 

Jonathan Dantzler is chair of the AU Black Alumni Alliance (BAA). He is the Diversity, Equity & Inclusion Specialist on Roland Berger’s Global DEI Team, where he supports strategy and programming across the Americas region. Before joining Roland Berger, he helped shape workplace culture and employee engagement at Amtrak, leading the launch of the company’s first Employee Resource Groups. A proud American University alumnus, Jonathan is passionate about creating spaces that foster connection, belonging, and shared purpose within communities. 

Katherine Greenstein, SPA/ BA ’24, MA ’25 | Disability+ 

Katherine Greenstein is chair of the newly formed AU Disability + alumni community. Greenstein is an emerging public historian and incoming PhD student at the University of North Carolina at Greensboro driven by a passion for disability justice and interdisciplinary community-engaged scholarship. They currently serve as a Youth Empowerment Steward at the National Park Service. In their free time, Katherine enjoys hiking accessible trails, playing Dungeons and Dragons, and trying to find the best nearby coffee shops. 

Walker Sands, Kogod/MBA ’14 | Pride Alumni Alliance 

Walker Sands is chair of the AU Pride Alumni Alliance and is a member of the AU Alumni Board. In his role with the Pride Alumni Alliance, he uplifts the most marginalized among AU’s rich LGBTQ+ alumni and student communities and works to empower collective voices. Professionally, as CEO of Cubicle Griot, LLC, Walker guides teams and leaders through innovative strategies that fuel market success and social progress, from implementing modern work innovations for Fortune 100 executives at LinkedIn to improving care for Black families in service and beyond. 

Rosa Park-Tokola, SIS/BA ’12, MA ’14 | AU Asian & Pacific Islander Alumni Network 

Rosa Park-Tokola is chair of the AU Asian & Pacific Islander Alumni Network (APIAN). A Double Eagle from SIS, Rosa currently works in international security with a focus on the Indo-Pacific region. She sees it as an honor to represent APIAN and to be involved with the AU community as a way of giving back to the next generation of AU leaders. She has a passion for tea and loves boba, matcha, sencha, and lavender earl grey (it's hard to pick a favorite).

These alumni leaders join the following current chairs: 

Alycia Bennett–Bell, CAS/BA ’14 | AU Women’s Network 

Alycia Bennett-Bell is chair of the AU Women’s Network and is a former member of the AU Alumni Board. She is a seasoned corporate security leader and geopolitical expert with over a decade of experience in strategic leadership, foreign affairs, extremism, and open-source research (OSINT). Previously, Alycia worked as an Intelligence Manager at Gavin de Becker & Associates and a Policy Manager at Google, where she focused on Hate, Harassment, and Violent Extremism issues. Currently, she works as a Senior Threat Assessment Manager at Booz Allen Hamilton. She lives in Columbia, MD, with her husband and 2-year-old daughter.  

Adriana Rodriguez, SOC/BA ’01 | AU Latino Alumni Alliance 

Adriana Rodriguez is chair of the AU Latino Alumni Alliance. She serves as Excelencia in Education’s Chief Operating Officer & Vice President for Institutional Programs. As the COO, she works closely with the CEO, focusing on optimizing processes, managing resources, and ensuring efficient execution of business strategies. In her role as Vice President, she sets the strategic direction of the Institutional Practices portfolio. This involves supporting a dedicated team in the execution of programming for Examples of Excelencia and the Growing What Works (GWW) Database.