The Team

Jennifer Willstead


Jennifer has served as the President of Winthrop Management since September 2018. Prior to joining Winthrop Management, Mrs. Willstead was employed by AvalonBay Communities, Inc. for the last 16 years, and has been in the Multi-Family Industry since the year 2000. Throughout her tenure, Jennifer has held various roles with increasing responsibility within the Chicago, New Jersey, and Los Angeles markets. In her most recent position with AvalonBay, Jennifer served as a Senior Portfolio Operations Director and was responsible for the setting market-level strategy for a diverse portfolio consisting of approximately 4000 units.  Jennifer has experience with High-rise, Mid-rise, and Garden-style communities. She has a proven track record of exceeding financial expectations for non-stabilized projects including new construction and redevelopment communities. She has worked with market rate, affordable, and retail components, in addition to her involvement with several corporate level initiatives to improve property performance and operations.

Angela Flick

Vice President of Marketing and Branding

Angela began her career in multi-family real estate marketing in 2005 in the Pacific Northwest, after spending six years in retail marketing with a national developer on the East Coast.  As Vice President of Marketing and Branding, Angela is charged with developing consistent nationwide marketing programs for the Winthrop Management portfolio as well as providing marketing consultant support in the areas of development and investment.  Prior to joining Winthrop, Angela was a Director of National Marketing at Greystar Real Estate, overseeing the creation of national marketing strategies for a 1,600 + community domestic portfolio. She has experience in creating successful marketing strategies for all asset levels and in markets nation-wide. Her passion is for driving success through innovation and looks for opportunities to engage in the latest technologies and keeping up with engaging consumers where they are.

Thomas Staples

Senior Vice President of Finance

Thomas has been involved with the Winthrop group since 1995. He served as Winthrop’s Chief Financial Officer and was the Chief Financial Officer of Winthrop REIT. Thomas previously served as Assistant Treasurer of the Shelbourne Entities and Chief Financial Officer of Newkirk. Prior to joining Winthrop, Thomas was the Chief Financial Officer at Sanborn Inc. and Corporate Controller of Perini Investment Properties, Inc. He’s a certified public accountant and was with Arthur Andersen for seven years.

Thomas holds an MBA from Babson College and a BS from Colby College.

Mark joined Winthrop in January 2011 as our Head of IT, he brings 20 years of IT experience to Winthrop Management. Prior to joining Winthrop, Mark worked for Ipsen Pharmaceuticals as Head of IT – US. Mark attained his MBA from Nichols College and his B.Sc. in Management Information Systems from the University of Connecticut, he also attained a Master Certificate in IS/IT Project Management from Villanova University and a Graduate Certificate in Linux Administration at Worcester Polytechnic Institute. Mark holds numerous IT certifications including, Certified Information Systems Security Professional CISSP, Microsoft Certified Systems Engineer MCSE, Certified Novell Engineer CNE, and Cisco Certified Network Associate (CCNA).

Tracey Martensen

Human Resources Director

Tracey joined Winthrop in April 2007 and directs the company’s Human Resources and Payroll Departments. Prior to joining Winthrop, Tracey served as the Human Resources Director for The Greater Boston Food Bank. She also spent 11 years at the global consulting firm, Arthur D. Little, based in Cambridge, Massachusetts, where she was the Human Resources Director and served as the Company’s Affirmative Action Officer.

Tracey previously worked as Office Manager for a specialty advertising company in Salt Lake City and attended Utah State University. Tracey holds a degree in Human Resources Management from Bentley College in Waltham, Massachusetts.

Zack Barron

Vice President, Budgeting and Administration

Mr. Barron joined Winthrop in September of 2013. From 2008–2013, he served as the Managing Director of Asset Management with Metropolitan Properties of America and as their Portfolio Accounting Manager prior to that. From 2004–2008, he worked for Centex Homes in both Acquisitions and Corporate Finance roles in their Detroit, Southern California, and Phoenix divisions.

Mr.Barron is a Chartered Financial Analyst and holds a BBA and Masters in Accounting from the University of Michigan. He is a member of the CFA Institute and the Boston Securities Analysts Society. When he is not busy obsessing over the performance of the New England Patriots and Michigan Wolverines football teams, he is busy reading non-fiction history books.

Sherle Brown

Chief Learning Officer

Sherle has more than 30 years of multi-family experience and has held leadership positions in all areas of the industry. Prior to joining Winthrop, Sherle was the founder and president of SHB Consulting Services, a company known for its innovative, bottom-line solutions for the multi-family industry. She also served as Chief Financial Officer and Senior Vice President of ECI Group for several years.

Sherle is an Advanced Instructor Trainer of NAAEI, serves on NAA’s Apartment Careers Committee and chairs the Units Article sub-committee. She is active on several committees of the Atlanta Apartment Association, serves on the Executive Council of IREM Chapter 67 and co-chairs IREM’s Education Committee.

Sherle is a Summa Cum Laude graduate of Tennessee Wesleyan College with a BS in Accounting and is completing her MA at Lewis

residential management team

Kristie Braun

Regional Manager – New York & Florida

Kristie brings over 10 years of property management experience to her role as Regional Manager on the East Coast. She started out her career in the suburbs of New Jersey where she first managed Low Income Housing Tax Credit communities for a small management company based out of Rochester, NY.   She stayed in NJ for several years managing affordable garden style housing for multifamily and 55+ communities. After completing her MBA at a private university, she seamlessly transitioned into Manhattan and began the next chapter of her career managing Luxury High Rise communities.  First, as a General Manager for a large REIT and then as a Regional Property Manager with Greystar where she managed assets for several institutional owners.  Her NYC portfolio spanned from Manhattan into multiple submarkets of Brooklyn and most recently, she oversaw a successful lease up in Long Island City, Queens.

Morgan Combe

Senior Regional Manager – Pacific Northwest

Morgan Combe brings 15 years of property management experience to her role as Senior District Manager for the Pacific Northwest. She started her career in the suburbs of Seattle where she first managed garden style communities with a small boutique management company. While working toward her degree in interior design, she took on her first new construction lease-up in West Seattle and found her niche. She went on to manage lease-ups for the largest management company in the region before accepting a position to build and manage an in-house property management division for a Seattle based developer. Morgan started with Winthrop in 2014, and has overseen 7 lease-ups with the company to date. Her portfolio currently spans from Seattle to Portland.

Ann Henderson

Regional Vice President

Ann brings more than 30 years of professional experience to the Winthrop Management team. Originally from Pennsylvania, Ms. Henderson has resided and worked in the Southeastern United States for the majority of her property management career.

Combining sharp financial acumen and people management skills, Ann supervises a 1600 unit portfolio located in the metropolitan Atlanta area.

Ann Henderson joined Winthrop Management in 2010, following ten years as a principal in a Georgia-based subcontracting firm providing services including asset management, repositioning of multifamily apartment communities for disposition, day-to-day operational oversight, marketing plans and lease-up strategies, site and storage facility audits, and due diligence. Prior to that position, Ann has held numerous management positions such as regional vice president, district manager, division manager and asset manager for National Property Investors, Ledic Management, Summit Properties and Pinnacle Management located in the Southeast and Midwest.

Ann Henderson holds the IREM CPM (Certified Property Manager) designation and is also a licensed real estate broker in Georgia, North Carolina and South Carolina. Ann has been an active member of IREM Chapter 67 in Atlanta, Georgia since 1994; and a member of IREM North Carolina Piedmont Chapter 105 since 1987. Respected as an industry leader, Ann Henderson is also the past treasurer and president of the NAA Chapter, the Triangle Apartment Association; and has participated in various IREM and NAA committees throughout her career. Ann and her family make their home in northeastern Georgia and she enjoys spending time walking, reading and knitting.

Nicole McQuarry

Regional Vice President

Nicole McQuarry, Regional Vice President, is a well-respected and seasoned professional with a myriad of strengths and knowledge. Nicole McQuarry began in property management in the Southern California market and moved to the Dallas/Fort Worth area in the mid 90s.

She started her career with Fairfield Residential and worked her way up to greater levels of responsibility during a ten year span. Nicole joined Greystar Real Estate Partners in 1999 and during her tenure held various positions: Senior Regional Manager, Regional Vice President; culminating in 2008 as Senior Vice President responsible for a portfolio of 11,548 units in the Dallas/Fort Worth, TX area.

Nicole McQuarry’s current responsibilities include the supervision of seven communities in the Dallas area, comprised of AAA+ profile and 2,474 units. To Winthrop Management, Nicole brings a vast understanding of the components of financial performance, aggressive marketing and rent plans, and the importance of staff development and support. Long active in the National Apartment Association – Dallas/Fort Worth chapter, Nicole currently holds the following designations: National Apartment Leasing Professional (NALP), Certified Apartment Manager (CAM) and is currently a candidate for Certified Property Manager (CPM). Nicole is also an Apartment Association of Tarrant County (AATC) Lyceum graduate as well as, a Texas Apartment Association (TAA) Lyceum graduate. Nicole and her family reside in the metro Dallas, TX area and Nicole pursues a variety of interests such as dancing, creative arts, and sports.

Douglas C. Miner

Regional Vice President

Douglas joined Winthrop Management in 2010 and has more than 35 years of real estate development experience and 20 years successfully performing at a senior level in real estate finance and operations of income-producing properties.

He has more than $2 billion of hands-on, at-risk experience developing and managing income-producing real estate properties. He holds a number of licenses and certifications including Securities Dealer, Financial Principal, Commodities Advisor, Real Estate Broker, Real Estate Appraiser, Registered Environmental Property Assessor, Certified Environmental Assessor and Asbestos Contractor/Supervisor.

Douglas’ real estate experience includes commercial real estate development of multifamily and commercial real estate in excess of $230 million, acquisitions and divestitures, construction and property management. He was the lead negotiator for multi-million, multi-property acquisitions valued in excess of $1.2 billion, was responsible for acquisition and conversion of 400 apartment units, development of 500 multifamily condominium units valued in excess of $100 million, and served as chief financial officer for a portfolio of 55 multifamily and 10 commercial projects located in 19 states.

Douglas served in the United States Infantry as an officer and company commander and was awarded the Bronze Star, Army Commendation Medal and two Purple Hearts.

Commercial management team

Thomas Harrington

Regional Vice President

Thomas joined Winthrop Management in 1999, and today serves as General Manager of U.S. Steel Tower, one of the largest office buildings in the world with 2.3 million rentable square feet, and home to a number of Fortune 500 companies.

As Regional Vice President, he oversees Winthrop Management assignments in Pennsylvania, Ohio, Michigan, Virginia and parts of New York and Kentucky.

Thomas has more than 25 years of experience in the commercial real estate industry. He has served as Property Manager for another landmark Pittsburgh office tower and oversaw a larger retail property portfolio covering four states. A recent Past-President of the Building Owners and Managers Association in Pittsburgh, Thomas began his real estate career in construction management and is today a licensed real estate broker in the Commonwealth of Pennsylvania. In 1986, he earned the distinguished RPA designation from the Building Owners and Managers Institute International.

Florence Barbour

Regional Vice President

Florence joined Winthrop Management in 2007 with more than 31 years of property management experience. Before joining the company she acted as a General Manager for CarrAmerica Realty and Parthenon Realty within the Atlanta office portfolio.

She has also spent years in the Dallas, Memphis and Tampa markets throughout her career as a Senior Property Manager with a large portfolio of office properties while working with Trammell Crow Company and Weston Companies. Her expertise has been in tenant relations, tenant construction and overseeing base building construction with several “out of the ground” projects including the Wells Fargo highrise building in downtown Tampa, the mid-rise Porsche building in Atlanta and The Art Institute building in Atlanta.

Florence has been extremely active over the years with BOMA (Building Owners and Managers Association). She has served as 1994 President-Elect for the BOMA Greater Tampa Bay and 2008 Preisdent for the BOMA Georgia organization while also serving on committees on the Regional and International BOMA levels. She was awarded the Atlanta association’s “Manager of the Year” award in 2006 and the “Huey Award” (a lifetime achievement award) in 2011. She is also active in other industry associations such as CREW (Commercial Real Estate for Women), IREM (Institute of Real Estate Management) and ACBR (Atlanta Commercial Board of Realtors).

Florence holds the distinguished industry designations of RPA and CPM. She also has a Georgia Real Estate License and a Florida Real Estate License.