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Next Gen Webinar Panel & Speed Mentoring
June 20, 2023 | 1:30 PM ET

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Speaker Bios


Max Vierengel, System Administrator I | Denver Dumb Friends League

Max Vierengel is a recent college graduate and young IT professional. Vierengel graduated undergraduate schooling from Appalachian State University in Boone, North Carolina, with Honors and Cum Laude majoring in Computer Information Systems and a minor in Sustainable Technology. After college, he moved to Denver, Colorado where he resides and works for the Denver Dumb Friends League, helping to support adoption, sheltering, and veterinary operations for animals of all shapes and sizes in Denver.


Bethany Riley, VP of Client Services | Further Digital

Bethany is Further’s Vice President of Client Services and she also manages multi-channel media buying and strategy for several of Further’s top clients. Prior to joining the team at Further, Bethany served as the Advertising Operations Manager at a political digital media agency, where she held a dual role of developing digital strategy for political campaigns and supervising the Digital Operations team in Washington, D.C.

At Further, Bethany oversees a team of Media Managers, Account Directors and leads strategy for two large clients. She is experienced in pairing digital with DRTV, running advocacy and non-advocacy lead gen programs, and growing digital P2P efforts in addition to her background in paid media advertising.

Bethany is a graduate from The Catholic University located in Washington, D.C and holds a degree in Political Science.


Seiko Yoshitake, Director, Digital Marketing | USA for UNHCR

Seiko Yoshitake currently serves as the Director of Digital Marketing at USA for UNHCR, the UN Refugee Agency. Previously she has spent time both on the agency and client side working at Anne Lewis Strategies (now MissionWired), Media Cause, and Special Olympics International. She specializes in digital fundraising and strategy, donor acquisition and development, and building a digital-first culture within organizations.


Kristin Dlesk, Account Director | Avalon Consulting

Kristin was first introduced to the nonprofit sector through her love of museums. She interned in a few museum education departments as an undergrad before enrolling in the Museum Studies master’s degree program at George Washington University. There she followed a course of study focused on Museum Administration and Fundraising and had two internships in Smithsonian fundraising departments. She also completed a Certificate of Nonprofit Management during her time at GW. Through these internships she learned more about museum development as well as direct marketing and how it supports fundraising for nonprofits and accepted her position as an Assistant Program Manager at Avalon Consulting.

Over her 6-and-a-half-year tenure at Avalon Kristin has elevated to the position of Account Director – working with museum clients as well as social service and advocacy groups. She supports creative development, strategy recommendations, campaign execution, annual budgets, and program analysis for all of her clients.


Tabetha Karydas, Senior Development Associate | Queens Public Library Foundation

Tabetha Karydas is the Senior Development Associate at Queens Public Library Foundation, the fundraising arm of the Queens Public Library system in New York City. In her role, she focuses predominately on managing corporate partnerships, from grant writing and reporting to organizing volunteer opportunities and planning the annual gala. Within her time at QPLF, she has taken on additional projects in individual giving and government grants. Prior to working at QPLF, she worked a range of internships and roles in both the corporate and nonprofit sector. Tabetha has a B.A. in International Studies and an MS in Measurement and Evaluation, both from American University.

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