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Leadership Team

Dawn Quattlebaum

Chief Executive Officer

Dawn Quattlebaum has 30+ years of experience in health care, senior services, senior housing, and area agency on aging services.  Since joining Seabury, she has served as the Administrator of Friendship Terrace and the Program Director of Ward 5 Lead Agency Services. She was promoted to the position of Chief Program Officer in 2014, and in October 2019, she was named Chief Operating Officer.  She was named CEO in 2020.

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Reginald Ray

Chief Operating Officer

Reginald Ray is an accomplished professional with a diverse background in business administration, managment, and data analytics. With almost 10 years in COO roles, he leverages his expertise in data-driven insights to optimize business strategies and decision-making processes. He joined Seabury in May 2024.

Board of Governors

The Rt. Rev. Mariann Edgar Budde, EX OFFICIO CHAIR

Mariann Edgar Budde serves as spiritual leader for 88 Episcopal congregations and 10 Episcopal schools in the District of Columbia and four Maryland counties. The first woman elected to this position, she also serves as the chair and president of the Protestant Episcopal Cathedral Foundation, which oversees the ministries of the Washington National Cathedral and Cathedral schools. Bishop Budde was consecrated as the ninth bishop of Washington in November 2011, and served as Interim Dean of Washington National Cathedral from 2016-2017. Prior to her election, she served for 18 years as rector of St. John’s Episcopal Church in Minneapolis. Bishop Budde earned a B.A. in history at the University of Rochester, graduating magna cum laude. She earned both a Masters in Divinity (1989) and Doctor of Ministry (2008) from Virginia Theological Seminary. When not working, you’ll often find her riding her bicycle, cooking dinner for friends or visiting family. Bishop Budde and her husband, Paul, have two adult sons, Amos and Patrick.

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Craig McCullough​, PRESIDENT

Craig is the Strategic Business Development Manager for Miles & Stockbridge, PC., where he is responsible for the marketing and business development strategy for the firm’s commercial division. Previously, he has was the Founder and Managing Partner of The Catalyst Group at Compass, and worked in public accounting – specializing in non-profit and real estate finance. Craig has served on five non-profit Board of Directors and enjoys supporting the Seabury mission every day. His extensive skills in finance have allowed him to support and develop sound financial systems and policies for the organizations he serves. He grew up in New Hampshire and earned a degree in Accounting from Roanoke College in Salem, VA. In his spare time, Craig has developed a hobby of home winemaking and is a competitive bodybuilder, having completed his first competition in 2018.

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Marcus Braxton, VICE PRESIDENT

Marcus is the Chief Operating Officer, for the Greater Washington Community Foundation where he works to enhance its internal operations, systems, and processes to ensure the organization has the infrastructure needed to continue its success and impact. Marcus has over 15 years of experience in the nonprofit and philanthropic sector, having worked for organizations such as Young Invincibles, a nonprofit policy and advocacy organization committed to amplifying the voices of Millennials in all aspects of life. 

Kevin Neil Whitley, TREASURER

Kevin has been an accounting professional for more than ten years. He is currently the Assurance Supervisor at PBMares, LLC in Fairfax, Virginia where he has supported the accounting needs of the CPA consulting and business advisory firm since 2015. He is responsible for creating and maintaining public education for department staff and oversees managerial review of working papers including financial statements and client deliverables.

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Lecia Imbery, SECRETARY  

Lecia has more than 20 years of experience in advocacy, civic engagement, volunteer management, fundraising and program management in the nonprofit field. She serves as Deputy Director of the Coalition on Human Needs (CHN), an alliance of organizations working together to advance federal policies that address the needs of people with low incomes. Prior to joining CHN, Lecia managed federal advocacy for the American Diabetes Association and the American Association of University Women. Before coming to D.C. in 2006, Lecia worked for nonprofits and engineering firms in San Francisco and Chicago. Originally from the Chicago suburbs, Lecia has degrees in civil engineering from the University of Illinois. 

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Marti Brown Bailey

Marti is the Director of the Sibley Senior Association and Community Health at Sibley Memorial Hospital. She is an experienced speaker and facilitator who specializes in Alzheimer's and other forms of dementia, community health, and caregiver support. Marti is dedicated to helping populations in underinvested areas overcome barriers to health. Marti has developed multiple programs for older adults and care partners, including Club Memory®, Final Affairs Project, and Laugh Cafe. She is a Certified Senior Advisor, a Certified Dementia Practitioner, and a Certified Alzheimer’s and Dementia Care Trainer. Marti has a Bachelor of Science in Business Administration from Regis University.

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Michael Bochnovic

Michael Bochnovic is the Chief of Staff at Independent Sector. In this role, Michael provides operational and strategic support to the president and CEO, board of directors, senior leadership members, and internal stakeholders. Previously, Michael held various roles with the Center for Community Progress, most recently as Senior Program Officer with the policy and research team. He also served as the Executive Fellow at Urban Strategies, Inc., Program and Research Assistant at the Center for the Study of Social Policy, and holds a rich background in policy and advocacy, nonprofit management, place-based technical assistance, and organizational development. Michael is a Chicago native and earned his master’s degree in urban and environmental planning from Arizona State University.

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Michael Collins

Michael has been the CEO of Metromedia Enterprise since 1992. As an entrepreneur he has been dedicated to giving back to his community by serving on the board of Habitat for Humanity where he served as the Chair. He has been a long time donor to Seabury and will lend his expertise in finance, board governance, and business development to the Advancement Committee.

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Chris Gardner

Born and raised in Northern Virginia, Chris attended The University of the South in Sewanee, TN for undergrad and The George Washington University for his Master’s in Healthcare Administration. Chris has held leadership roles in a variety of senior living organizations for the past 20 years and serves as Executive Director of the Cascades of the Sierras an independent living, assisted living, and memory care residence community in Spanish Springs, NV. Chris' wife, Elizabeth, is Bishop-elect of the Diocese of Nevada. They have two daughters Carolyn and Annie, and two Labradoodles, Maggie and Dottie.

Waheed Hassan, CFA

Waheed Hassan, CFA

Waheed is the Founder & CEO of ZMH Advisors, an AI-powered ESG and shareholder engagement strategist. Bloomberg ranked ZMH as the #2 Global Strategic Adviser (investors) for 2022. Waheed brings 25 years of corporate governance, ESG and investor engagement experience. He has been a trusted advisor to investors, Boards of Directors, and C-suite executives, with total market value of campaigns advised in excess of $150 billion. He received an MBA with Beta Gamma Sigma honors from Vanderbilt University and is a CFA charter holder. He lives with his wife and two kids in Reston, VA.

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Joseph Howell    

Joe's career was primarily dedicated to providing technical assistance to developers of affordable housing and senior housing through his firm, Howell Associates. He has authored four books including "Hard Living on Clay Street", in continuous print since 1973, and "Civil Rights Journey". Joe was a lecturer on affordable housing finance at the School of Public Policy at the University of Maryland from 1995-2010 and an adjunct member of the Honors College faculty at The George Washington University where he taught a course on affordable housing and urban development issues from 2000-2008. Now retired, Joe continues to utilize his expertise in affordable housing to help Seabury meet the needs of older adults in the Washington, D.C. region. Joe received his bachelor’s degree from Davidson College and has master’s degrees from Union Theological Seminary in New York City and The School of City and Regional Planning at the University of North Carolina at Chapel Hill.

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Nikhil Kumtha

Nikhil is a Director at CliftonLarsonAllen which offers advisory services, wealth management, and audit and tax counseling. Nikhil holds a Master of Business Administration from Duke University. His experience includes management of global supply chain, business development and strategic analysis for business clients.

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Kimberly Mikec

Kimberly is the Chief Marketing Officer for iFinca, an Agri-fintech company employing a first-to-market B2B2C blockchain native mobile app to ensure coffee is ethical and sustainable from farm to café. She has worked in marketing, communications, and public relations roles in global services, government, and technology. She is a mentor for the American Marketing Association DC and for 76 Forward. Kimberly earned her B.A. in Mass Communications from the University of Colorado and her MBA from Georgetown’s McDonough School of Business.

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Monte Monash  

Monte is the founder and CEO of Monash Advisory Group, LLC. Since 2008, Monash Advisory Group’s reputation has grown in the region as a leading firm providing business development and public relations consulting services. With more than 30 years of project design, development and management experience, she has helped clients successfully capture over $2.6B of infrastructure work in the region. Monte is a proud native Washingtonian and enjoys sharing her time as a mentor, community volunteer and public servant. She is a current Chair of the Board Trustees of the DC Public Library, member of the Public Service Commission Advisory Council, Advisory Council member of The River School, Advisory Council member of Skyland Workforce Center, and a founding member of Women in Infrastructure. Monte earned her bachelor’s degree from Mount Vernon College and continued with graduate studies at Johns Hopkins University. She resides in Washington, DC with her husband, their two school-age sons and fur baby, Jackson.

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Nick Nicholson

Nick is a managing director with Berkadia where, since 2005, he has arranged financing for affordable housing, apartments, healthcare and commercial real estate projects.  Born and raised in Denver, Colorado Nick has lived in the Washington, DC are since 1999 but still gets lost driving around Northern Virginia.  Nick received his undergraduate degree from Middlebury College in 1993 and his MBA from Georgetown in 2001.  Nick lives with his wife and four daughters in McLean, VA.

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Michelle Rhodd

Michelle is board secretary at DC Water. She manages and oversees the support functions for the Board of Directors. For more than two decades she is an accomplished senior executive who successfully navigates complex organizations to provide leadership, coordination, and evaluation for broad subject matter areas including strategic planning, governance and board management. Michelle served as the special assistant to the president and assistant secretary to the Board of Trustees of The Asia Foundation. She also served as corporate secretary at the National Restaurant Association. 


Michelle holds a master’s degree in Business Administration from Johns Hopkins University in Washington, D.C., a master’s degree in International Business Law from the University of Manchester in England and a bachelor’s degree in International Relations from Wheaton College in Massachusetts.

Megan Robertson

Megan Robertson is a health care and life sciences attorney with the law firm of Epstein, Becker, & Green. In that role, she advises industry stakeholders on a wide spectrum of topics, including compliance and regulatory strategy. Megan also regularly engages in pro bono activities, including representing claimants seeking Social Security disability benefits and working with several DC-area non-profits.  Megan earned her law degree from the George Washington University Law School, and is a proud alumna of Clemson University with a degree in Genetics. At home, Megan enjoys spending time with her husband, daughter, and two dogs, as well as painting watercolors and visiting local wineries and breweries. 

Sharon Sellars

Sharon L. Sellers has served as the Senior Community Dementia Program Manager at Sibley Memorial Hospital for over 8 years. She was recently promoted to the position of the Assistant Director of the Sibley Senior Association and Community Health. Sharon has over 25 years of experience as the Executive Director of several assisted living communities and nursing homes. She brings her passion of supporting and developing programming for seniors with memory concerns and dementia. Sharon completed her graduate education at Columbia University earning a M.B.A with a concentration in Finance and a M.P.H. with a focus in Health Care Administration.

David Shepard

David is a Financial Advisor with the Fenstermaker Financial Group of Raymond James. He is passionate about walking with individuals and families through life’s transitions and helping them to maximize joy. A multi-generation native of Washington, DC, David spent close to two decades as a fundraiser and educator in area private schools including the Bishop John T. Walker School for Boys and St. Albans School.  He has extensive experience working with governing board development and finance committees.  David received his MBA from The George Washington University and a BA from Washington and Lee University.


David has served on the Vestry and currently serves on several committees at Christ Church, Georgetown. Additionally, he serves on the Board of the Washington Winter Show. David lives in Bethesda, Maryland, with his wife, Eleanor, and their two wonderful daughters. 

Elissa Silverman

Elissa Silverman has spent her career trying to make life better for residents of the District of Columbia. Most recently, she served for eight years as an at-large D.C. Councilmember, championing programs that benefit working families including paid family leave. Prior to that, she worked as communications director for the D.C. Fiscal Policy Institute and as a reporter for the Washington City Paper and Washington Post. She is currently the Chief Strategy Officer for the Maryland Department of Labor.

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Susan Spurlark, Esq.

Susan last served as Vice President and Regional Counsel to Kaiser Permanente’s Mid-Atlantic States’ Health Plan, which in conjunction with the Mid-Atlantic Permanente Medical Group, operates an integrated delivery system providing care and coverage for over 750,000 members. She represented health plans and care delivery organizations for 40 years. Her work included labor and employment regulatory and litigation issues, health plan regulatory issues and audits, major business transactions and transitions, and legal support for development of new lines of business. Susan received her Juris Doctorate from Stanford University Law School and a Bachelor of Arts from Carleton College. She also completed Kaiser Permanente’s Executive Leadership program at the University of North Carolina at Chapel Hill. She currently serves as the President of Seabury Resources for Aging's Board of Governors.

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Sohaer Rizvi Syed  

Sohaer is a lawyer turned politician, wife, and mother to three young children. She works as a legal advisor to a medical group. Sohaer is very passionate about D.C and local politics and has run for local elected office. She believes our community is only as strong as the most vulnerable members that make up our community. A strong proponent for D.C. Statehood, Sohaer believes everyone should have a voice and a vote in Congress.

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Suzanne K. Welch

Suzanne has had a long career in affordable housing and commercial real estate development in Maryland. She retired in November, 2020 as Vice President for Real Estate Development at Enterprise Community Development, Inc. (ECD), the leading Mid-Atlantic nonprofit developer, owner, and operator of a $1 billion portfolio of 110+ apartment communities and 16,000+ homes. Suzanne has specialized expertise with land-use redevelopment, landlord tenant law, low income housing tax credits, tax-exempt bond financing, local gap financing tools, project based and tenant protection vouchers, and permanent supportive housing policies nationally and locally.

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