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The Four Walls Group

Jules Harper, SFR, Realtor

Group Founder, Broker

Luxury Home and Global Property Specialist


Jules has served the real estate community as a Real Estate Broker and investment specialist since 2003.  In 2004 he founded The Four Walls Group, a real estate consultancy firm (www.AtlantaKeyHomes.com) specializing in luxury residential, investment, commercial development, distressed properties, bank short sales, promissory note auctions, and commercial re-sales.  Serving as the Group Broker of The Four Walls Group at Keller Williams Realty has allowed him to leverage his expertise in real estate transactions to assist the single family and investment home market.  He is an active member of the real estate and technology communities including the Global Property Specialist Network, Georgia Real Estate Investors Association, the National Association of Realtors, Georgia Association of Realtors, and the Technology Association of Georgia.  Jules works with over 9,400 real estate clients and professionals nationwide and over 500,000 real estate agents worldwide as part of an expansive network bringing quality services to the needs of the community.  In addition to his Georgia endeavors, Jules also serves as the Chief Operating Officer and Managing Member of Olive Branch Home Buyers LLC, a real estate investment and development firm specializing in the areas of residential and commercial property including acquisitions, construction, and development.  As COO, Jules manages the overall business operations of the firm including property acquisitions, contract negotiations, project management, marketing strategy and deployment, sales management, and associate relations.  Jules’ experience and education are deeply rooted in the disciplines of marketing, sales, and business management.  He holds a Bachelor of Arts degree with a concentration in Marketing from the nationally top ranked private school of business at CAU.  Jules received induction into the Beta Gamma Sigma Honors Society honoring academic excellence in the field of business graduating Magna Cum Laude.  His professional career spans 25 years in business to business and business to consumer sales working for top leaders in the architectural, real estate and telecommunications industries including Fortune 100 companies.  A few of his notable clients include Beazer Homes, Post Properties, General Motors, Ford, S1 Corporation, Hooters of America, Netifice, Superior Essex and ChoicePoint.

Martine Harper, Realtor

Director of Operations


Martine is a veteran of the mortgage banking industry with over 16 years of experience working for top banking organizations including AIG, United Guaranty, Chase Manhattan, Indymac, MGIC, Citifinancial, Taylor Bean and Whittaker, and RMIC.  She served as a senior underwriter leading a team of 10 and training several new hires over the years.  Martine also is a member of Four Walls Investing, LLC (www.webuyfourwalls.com) facilitating the financing and property location needs of the company.  As a high producing associate of Keller Williams Realty, Martine has been able to assist home buyers and sellers in the transfer of real estate by leveraging her extensive expertise in conventional financing.  Combined with a world class marketing approach Martine delivers the highest levels of customer service to her clientele providing irreplaceable value to the Four Walls Realty team.  She is also an active member of the National Association of Realtors, and the Georgia Association of Realtors.

Jessica Darwick

Executive Assistant / Client Care Coordinator


Jessica is an Executive Assistant with an extensive background in customer service who leads office operations to provide outstanding support to her team, external partners, and our clients. Before starting at The Four Walls Group, Jessica worked for 4 years as a Corporate Relocation Consultant, facilitating the selling and buying of homes as well as acting as a single-point of contact for families to address the myriad of needs that arise during such a transition. After a successful career providing exceptional, individualized support to employees throughout the process of relocation, Jessica now uses her passion to serve, organizational skills and high attention to detail to provide world-class service to her team and local community. In her spare time, Jessica enjoys spending time with family and friends, cooking, fitness, and attending local music events.

Tamika Maisonet, Realtor

Buyer Specialist and Investment Expert


Tamika earned her undergraduate degree in Accounting from Elon College and her Master's from Keller Graduate school of Management.  She worked in the accounting industry for over 15 years before joining the Four Walls Group in 2017.  Originally from Jamaica, she spent her childhood in New Jersey before moving to Georgia which gives her southern hospitality a tropical touch.  Tamika has been licensed since 2006 serving families and investors.  She is also a certified kickboxing instructor utilizing her interpersonal skills with communication and customer service.  Tamika is an active listener with tremendous patience and the ability to cue into her client's needs. Combined with her attention to detail, trustworthiness and excellent organization qualities she brings immense value to the Four Walls group.

Zachary Brinkley, Realtor

Buyer Specialist and Investment Expert


Zach joined The Four Walls Group in 2018 as a newly licensed realtor, bringing excellent communicative skills and an appetite for success.  Upon completing his education, he built much of his experience in customer service through working at Atlanta’s own, The Home Depot, as a sales associate for nearly 3 years before deciding to become a Realtor. Zach always manages to carry a positive attitude and stays determined to accomplish his goals. He is a member of the National Association of Realtors and upholds to the strict standard that is expected of him by clients and other real estate professionals.

Cindy Jefferson, Realtor

Buyer Specialist and Investment Expert


Cindy joined the Four Walls Group in August of 2019. In 2011, Cindy earned a Bachelor of Science degree in Speech Pathology at the University of West Georgia in Carrollton, Ga. She worked with the Carroll County School system for three years as a Speech Aide. Other than God, her family is her greatest achievement. She has a wonderful husband of twenty-three years, three sons and a new daughter-in-law. She recently helped plant Verve Church in Temple Georgia. Her faith is the foundation that she stands on.

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The Four Walls Group at Keller Williams Realty Signature Partners
Jules W. Harper, Broker
3375 Dallas Highway
Marietta, GA 30064

Last updated February 24, 2021.Copyright © 2021 Optimus Real Estate Brokers.

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The data relating to real estate for sale on this web site comes in part from the Broker ReciprocitySM Program of GAMLS. All real estate listings are marked with the GAMLS Broker ReciprocitySM thumbnail logo and detailed information about them includes the name of the listing brokers. February 24, 2021
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