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The Team

Dorli Bokel, Chairman of the Board of Directors

Ms. Bokel joined Quadel in 1986 and most recently served as President of Quadel from March of 2008 to February of 2013. She brings more than 40 years of affordable housing and management experience to her role as Chairman of Quadel’s Board of Directors. She previously served as Vice President of Program Management overseeing Quadel’s contract administration programs for HUD’s Section 8 project-based multifamily housing portfolios in New York, Indiana, North Carolina, and southern California. Before joining Quadel, Ms. Bokel was Vice President of Culpepper Associates where she developed and implemented automated financial management, tenant tracking, and rent calculation systems for housing industry clients. Ms. Bokel serves on the National Leased Housing Association’s Board of Directors and chairs its Housing Management Committee. She is also an Advisory Board member of the Assisted Housing Management Insider publication and serves on the Boards of two housing nonprofits. Ms. Bokel holds a Bachelor of Arts degree from Wells College.


John Nolan, President

Mr. Nolan joined Quadel in 2006 and was named President in 2013.  Most recently he was the Chief Operating Officer at Quadel, during which he oversaw Quadel’s voucher services, consulting and training lines of business.  He was also instrumental in the development and launch of the EasyVoucher and Qualcheck services.  Previously, he served as Chief Financial Officer at Quadel, where he was responsible for finance, human resources and information technology.  As CFO he played a central role in securing and delivering the homeowner services subcontract for the Louisiana Road Home Katrina/Rita recovery project. Before joining Quadel, Mr. Nolan held senior management positions with MCI, Inc. including Vice President, Corporate Finance for the $21B company. He led MCI’s restructuring efforts by creating the financial plan of reorganization. Prior to joining MCI, he held finance positions at IBM, where he worked from 1988 to 1990.The analysis systems he put in place at MCI received an Enterprise Intelligence award from the software company SAS. Mr. Nolan serves on the corporate advisory board of So Others Might Eat (SOME) in Washington, DC. He has a Bachelor’s degree in Management from Tulane University and a Master's degree in Business Administration from the University of Texas at Austin.


Roberta Graham, Vice President

Ms. Graham has over 28 years of industry experience providing management, technical assistance services and training to the affordable housing industry. Throughout her 27 year tenure at Quadel, she has specialized in training development and delivery, technical assistance and direct management of housing choice voucher programs, and has extensive experience managing behavioral and policy change within troubled agencies. Prior to joining Quadel in 1986, she held various management positions from 1979-1986 with Fairfax County (VA) Department of Housing and Community Development. She holds a Bachelor of Arts degree from James Madison University.


Amy Jones, Vice President, Performance Management

Ms. Jones is responsible for Quadel’s corporate performance management activities including training, quality and risk management, and information technology.  Ms. Jones has provided services to the affordable housing industry for more than 35 years as a program manager, trainer, and technical assistance provider.  Prior to re-joining Quadel in 2008, she managed an independent consulting practice for 12 years.  From 1989 – 1997 Ms. Jones served in a variety of management positions at ICF Consulting and, as an ICF Vice President, directed its housing and community development practice.  Her experience also includes a previous tenure at Quadel and eight years with the Department of Housing and Urban Development.   Ms. Jones has a Bachelor of Arts in Political Science from Kansas Wesley University and a Master of Science in Organizational Development from The American University.