About Columbia Non-Profit Housing

Vancouver Housing Authority established Columbia Non-Profit Housing as a nonprofit entity in 1981. With the support of the housing authority, CNPH is managed by an independent six-member board of directors. CNPH serves as the sponsoring organization for several affordable housing projects developed in Clark County, Wash. Over the decades, CNPH has developed 13 properties comprising more than 400 apartments that provide low-income residents with a comfortable and stable place to call home.

OUR MISSION

Our mission is to create stable communities by providing affordable, decent and safe housing where low-income people including seniors, persons with disabilities and families have opportunities to grow and thrive.

Our Board of Directors

Susan DeRenzo, Chair

Susan DeRenzo joined the board in the fall of 2010 and became board chair in 2015. Several new buildings have been added to the community, and she is proud to be a part of bringing additional low-income housing options to the area. In her day job, Susan works for a local bank as a certified financial planner. She believes having stable housing is a critical part of someone’s financial wellbeing. In her free time, Susan enjoys hiking, skiing, camping and music. She loves being able to take advantage of the many outdoor opportunities the Pacific Northwest has to offer. She holds a Bachelor of Arts degree in finance and minored in economics at the University of Sioux Falls in Sioux Falls, S.D.

Jim David, Vice Chair

Jim David is an attorney in private practice in Vancouver. He retired in 2014 from the Clark County Prosecuting Attorney’s Office where he worked to create a special program for prosecutions of offenses against senior citizens. Jim serves on the boards of several nonprofits that provide services to seniors and people who are low-income or otherwise in need. In his spare time, Jim serves on the board of directors for the Vancouver Lake Sailing Club.

Matthew Lennick, Director

Matthew Lennick joined the board in June of 2024. Lennick is a Clinical Pharmacy Manager at Kaiser Permanente Northwest, where he has been practicing pharmacy for nearly 20 years since graduating from the University of Washington. He has a passion for helping people thrive, which led him to health care initially and inspired him to give back to the community. Matthew’s volunteer journey began in college with the United Way. Since 2017, he’s volunteered for Share, an organization offering food and shelter for people in Vancouver, Wash. He is currently Share’s board president.

Matthew’s other community service work includes organizing and leading group service projects for Kaiser Permanente’s Martin Luther King Jr. Day of Service. He has volunteered for the “I Have A Dream” Foundation (now “Greater Than”), an organization that provides long-term support to youth living in under-resourced communities. As a volunteer for Leadership Clark County, Matthew helped develop and implement a diversity, equity and inclusion youth advisory board for the Police Activities League of Vancouver. Matthew has also provided tours of Kaiser Permanente’s automated pharmacy refill center to underserved youth who live in the Northwest with the goal of sparking interest in the health care profession.

Samantha Waldbauer, Secretary/Treasurer

Samantha Waldbauer joined the board in 2020. She has over 20 years of experience working with the aging and disabled population as they access programs to keep their independence in the community in the setting of their choice. Her experience is highlighted by community-based programs that address the social determinants of health, which impact a person’s ability to successfully gain and maintain housing. She holds a Bachelor of Science degree from the University of Puget Sound and has experience managing privately owned rental properties. In her free time, she enjoys music, hiking, boating and spending time with family.

Sharif Burdzik, Director

Sharif Burdzik is the small business lending officer at Columbia Credit Union. Previously, he was a commercial lender at Lewis & Clark Bank and, before that, a VP at Riverview Community Bank for almost ten years. After working for banks with nationwide footprints, he found his passion for local community banking and serving small businesses in the early 2000s after moving to the Pacific Northwest from his home state of Kansas. Sharif has extensive board experience and currently serves on the WSU Diversity Advisory Board and is a director for Partners in Careers, Clark College Foundation, the Watershed Alliance, the Ridgefield Chamber of Commerce and Fourth Plain Forward. An active member of the Greater Vancouver Chamber of Commerce, Sharif has also served on several city committees including the annual evaluation committees for the city’s CDBG, HOME and Affordable Housing Fund grant programs. A graduate of the University of Kansas and Pacific Coast Banking School, Sharif enjoys skiing, hiking, reading and especially spending time with his son Alex, a recent graduate of Oregon State University.

Columbia Non-Profit Housing Staff

Dani Ledezma, Executive Director

Dani Ledezma joined Columbia Non-Profit Housing in February 2025. She brings over 25 years of experience working on issues of housing, community development, equity and health. She has served in executive level roles in the public sector as an Assistant County Administrator in Washington County, Ore.; Senior Advisor for Racial Equity and Social Justice at Portland Public Schools; and the Equity Policy and Communications Director at the Portland Housing Bureau. While at the Portland Hosing Bureau, she managed policy, rental development, and homeownership programs. She was a policy Advisor to Governors Kitzhaber and Brown and Portland City Commissioner Nick Fish. She also served as an interim executive director of the Coalition of Communities of Color. She holds a B.A. from the University of Notre Dame and completed masters level coursework from Harvard’s Executive Management program and Portland State University’s MURP and Real Estate Development program.

About Us