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Leadership

The Quantum Real Estate Management, LLC, AMO® team consists of professionals dedicated to offering superior service and expertise in property management to all communities it manages. Quantum’s philosophy is to provide excellence through “team management”. To that end, its growth is carefully managed and its staff prudently nurtured to produce a fully-trained, close-knit, and service-oriented team of professionals whose experience, talents, and skills offer the finest professional property management services available.

Margaret Bessette

Margaret P. Bessette, CPM®
President

As the President of Quantum Real Estate Management, LLC, AMO®, Margaret is directly responsible for the activities of all departments of the corporation and sets all corporate policies and procedures. She is also the President of Aequalis, Inc. – a development firm involved in the development of low-income housing in the Washington, DC Metropolitan area.

During her tenure as Assistant Vice President of a large, prominent Washington Metropolitan area real estate firm, she was awarded the “1986 Leadership Award” by her employer. In 1998, the Property Management Association (PMA) awarded her the “Stanley Reid Humanitarian Award” for her work with non-profit organizations in the community. In November 2012, Margaret was recognized by the PMA with the Alvin L. Sussman Award for outstanding advancement in the property management profession.

Her expertise in property management and her hands-on experience is diverse and spans in excess of 35 years. It includes all aspects of residential, government subsidized, condominiums and commercial management. Throughout her property management career, she has gained expertise in affordable housing for seniors and families.

Margaret’s professional affiliations include active membership in the (Northern Virginia) IREM Chapter 77 where she served as its President in 1989. In 1987, she was awarded the “Certified Property Manager of the Year” award by the IREM Northern Virginia Chapter 77.

Currently, Margaret is a Past President of the Mid-Atlantic Affordable Housing Management Association (AHMA) and continues serving on the Board of Directors. She is also a member of the Advisory Board for the Washington Metropolitan Cystic Fibrosis Foundation, a member of the American Village Communities Board of Directors and a member of the Daniel Housing Corporation Board of Directors.

Margaret holds a Bachelor of Arts degree in Education and has achieved the designation of Certified Property Manager (CPM®), Certified Occupancy Specialist (COS), and Accredited Resident Manager (ARM®). She holds her real estate broker’s license in the State of West Virginia, Commonwealth of Virginia, State of Maryland and the District of Columbia. She continues attending seminars and classes to stay abreast of changes in the property management industry, regulations, laws, HUD and IRS Tax Credit Program requirements.

Andrew Drier
Senior Vice President

Andrew is the Senior Vice President of Operations at Quantum Real Estate Management, LLC, AMO®. He is responsible for the day-to-day property management operations. He oversees the performance of the properties. He is responsible for the development and maintaining relationships with HUD, federal, state and local government, suppliers/vendors and contractors.

Prior to coming to Quantum, Andrew had over 28 years of experience in property management. His prior portfolios have been communities throughout the Mid-Atlantic region totaling up to 30,000 apartments once valued at 1 billion dollars. He has held various senior level positions with companies including Westminster Management, Sawyer Realty Holdings, Grady Management, and Polinger Shannon & Luchs.

Andrew has held the position of Regional Vice President of the National Apartment Association (NAA) and a Board member of the Maryland Multi-Housing Association (MMHA). He is a member of Institute of Real Estate Management (IREM) and Property Management Association (PMA).

Margaret Callaway

Margaret Callaway, ARM®, COS, TCS
Vice President of Compliance

Margaret is the Vice President of Compliance at Quantum Real Estate Management, LLC, AMO®. With over 20 years of experience in property management and compliance, she is responsible for ensuring that all properties are in full compliance with HUD and Low-Income Housing Tax Credit (LIHTC) regulations.

Margaret is continually attending classes and seminars to stay abreast of changes in the property management industry and compliance issues. She is a 1997 graduate of Wingate University with a Bachelor of the Arts in English and is an Accredited Residential Manager®, Certified Occupancy Specialist (COS), and Tax Credit Specialist (TCS), and is an active Certified Property Manager (CPM) candidate.

Brian Alexander, CPM®, AHM, HCCP
Vice President

Brian is a Vice President at Quantum Real Estate Management, LLC, AMO® and brings over 20 years of property management experience. At Quantum, Brian’s responsibilities include but are not limited to overseeing the management of a mixed portfolio consisting of Co-Ops, Affordable, Conventional, and low-income communities in Maryland and the District of Columbia.

Brian has a diverse background in affordable, conventional, senior living, and new construction housing. He also has an extensive background in HUD Section 8, mixed income, and LIHTC. Brian has a vast knowledge of renovations and property takeovers and has completed multiple lease-ups. He has managed properties in MD, DC, VA, NJ, and KY.

Brian’s success is related to his ability to mentor, build, and develop strong teams. He engages with clients and builds a strong working relationship with his clients to ensure client satisfaction and long-term relationships.

Mr. Alexander’s designations include DC Property Managers License, Certified Professional of Occupancy (CPO), Assisted Housing Manager (AHM), Housing Credit Certified Professional (HCCP), and is a member of the Institute of Real Estate Management (IREM).

Josh Baker, ARM®
Vice President

Josh is a Vice President at Quantum Real Estate Management, LLC, AMO® whose responsibilities include assisting the Senior Vice President and overseeing properties in the District of Columbia. Josh comes to us from E and G Group with over 20 years of experience in the property management industry and plays an integral part in setting the company’s strategic direction. Josh is well-versed in the various facets of property management and real estate development, with particular experience navigating the complexities of the DC Metro Region. This makes him a valuable resource to the Quantum team.

Josh has served as a Director on the IREM Chapter 92 executive board and is also an active member of AOBA where he advocates legislative and legal issues for Washington, DC and Maryland landlords.

Florence Thomas

Florence Thomas, PHR, SHRM-CP
Human Resource Director

Florence is the Human Resource Director at Quantum Real Estate Management, LLC, AMO®. She oversees all aspects of Human Resources and brings over 15 years of experience in recruiting, performance management, career development, employee relations, benefits, compensation, payroll, and compliance issues.

Florence is a Certified Professional in Human Resources (PHR), a Society for Human Resource Management Certified Professional (SHRM-CP), a member of the Society of Human Resource Management (SHRM), and a member of the Montgomery County SHRM Chapter. She holds a Bachelor of Arts degree in Political Science from the University of Liberia and a Master of Business Administration from the University of Phoenix.

Carlos Rios
Controller

Carlos Rios brings more than 15 years of accounting and taxation experience to Quantum Real Estate Management. Carlos oversees the firm’s operational accounting, production of financial reports, coordination of audit and tax filings, supervision of accounts payable, and a number of other general accounting functions.

He provides accounting support for the property management team, as well as being the point of contact to several Federal Agencies and third party investors. Carlos has worked as a tax consultant for individuals and small companies. He moved to the DC area from Perú in 2003 where he worked as a stock market analyst. Carlos is an Economist, and a CPA candidate.

Sandra Budock

Sandra Budock, ARM®, SHRM
Regional Manager

Sandra is a Regional Manager at Quantum Real Estate Management, LLC, AMO®, for a mixed portfolio of condominiums and affordable properties that include Low Income Tax Credit (LITC) and HUD communities. Since 1986, she has had a multitude of positions at Quantum, including Director of Human Resources and Office Manager. Today, she is responsible for preparing and analyzing budgets, overseeing the operations of properties, motivating staff, and dealing with suppliers and contractors. Sandra is a member of the Society for Human Resource Management (SHRM) and Institute of Real Estate Management (IREM), with a designation of Accredited Resident Manager, (ARM®).

Juan Pablo Rodriguez, ARM®, COS
Regional Manager

Pablo is a Regional Property Manager at Quantum Real Estate Management, LLC, AMO®. He brings with him twenty years of diverse property management experience, encompassed in a unique leadership style focused on exceptional customer service and professional team growth. His work history includes management of low-income housing, community renovations, and conventional properties. At the moment, Pablo oversees a portfolio of close to six hundred units, including scattered sites and stand-alone communities.

Currently, Pablo’s responsibilities include the creation and submission of budgets, compiling property reports, physically inspecting all assets, as well as overseeing all aspects of maintenance, vendor relations, and general operations. Pablo has vast experience directing training sessions for management groups, and providing OSHA-required training to maintenance teams.

Pablo is a Certified Occupancy Specialist and holds an ARM accreditation from IREM.

Sherraine Rawlins-Bacchus, ARM®, NAHPe, COS, TCS, CPM Candidate
Regional Manager

Sherraine is a Regional Manager at Quantum Real Estate Management, LLC, AMO® and she brings over 30 years of property management experience. At Quantum, Sherraine’ s responsibilities include but are not limited to: Overseeing the management of a mixed portfolio consisting of Co-Ops, Affordable, Conventional, and low Income communities in Maryland and the District of Columbia.

Sherraine is regarded as a dynamic, problem-solving professional, hyper focused on maximizing operational efficiencies, strategic planning, physical and financial sustainability, as well as Asset Management. Her leadership experience focuses on building collaborative relationships with staff, Board members, and Owners, through training, transparency, support, and creating opportunities.

Sherraine is a CPM Candidate, a leader on the DEI Council, and holds an ARM designation from IREM. In addition, Sherraine has a DC Property Managers license, COS, TCS, C3P, and various other accolades from NAHMA, NAHRO, NCHM, Quadel, and Spectrum Enterprises.