Mark Ainley is an investor, managing broker, and property manager with almost two decades of experience in real estate. Mark has been a speaker at numerous events across the country including investing summits in Dallas, San Francisco, and Chicago. His extensive experience allows him to share his knowledge and experience on many topics like property management, scaling a business, rehabbing and flipping, out of state investing, asset stabilization, market analysis, and more. Mark found his way into real estate by purchasing and flipping condominiums prior to the great recession and since he has built his own portfolio of rental portfolio alongside the creation of GC Realty & Development LLC (GCR&D) and GC Realty Investments (GCRI). He has rehabbed and stabilized over 450 properties and currently manages over 900 investment properties throughout the Chicagoland area. Mark is the co-founder of GCR&D, a full-service Real Estate Brokerage, Property Management, and real estate investment firm in the Chicago Market that consults with both local and out of state investors on the acquisition, stabilization, and management of their rental property portfolio. GCRI has become one of the premier turnkey companies in Chicago, working with both US and International investors. In recent years both companies have grown to include over 25 full and part-time employees running the management & development divisions with 27 additional brokers getting deals done.
He was featured on CNBC’s TV show The Deed chronicling one of his rehabs. He has also been featured on podcasts like Bigger Pockets, The Real Estate Mogul Podcast, Joe Fairless, REI Diamonds, and Positive Phil. In 2017 he was featured on the cover of Top Agent - Property Management Edition.
Bryan Sonn Director of Commercial Sales
Bryan Sonn is the Director of Commercial Sales and most importantly
our visionary. Bryan is what you would call a serial entrepreneur. He has
started and successfully ran many businesses ranging from a bowling alley
to a trucking company with many other funny but successful experiences in
between. In 2006 Bryan started in real estate and never looked back.
In the beginning of Bryan’s real estate career, he focused his efforts on
construction and property maintenance. His outside-the-box approach to
maintenance has saved his investors and clients a tremendous amount of
money. Because of this approach, Bryan became the go-to guy. More and more
of his time was being spent on the phone with clients so it was a natural
transition for Bryan to spend most of his time working directly with them
and to hire a project manager. Both he and our clients have never been
When Bryan isn’t overseeing projects, you’ll find him grilling out with
family and friends, out on his boat or glued to the TV watching his Chicago
Blackhawks. If you ever desire a passionate conversation outside of real
estate, just mention hockey; he’ll take it from there.
Mark Ainley is the co-founder of GC Realty & Development as well as an investor, Illinois Licensed Real Estate Managing Broker,
and a local Property Manager. His career in all facets of the real estate industry spans over two decades. He specializes in
consultation with both local and out-of-state investors on the acquisition, stabilization, and management of their real estate
Most recently, Mark was featured on CNBC’s TV show The Deed, featuring one of his rehabilitation projects in the city of Chicago.
He has also been featured on numerous podcasts including Bigger Pockets, The Real Estate Mogul, Joe Fairless, REI Diamonds, and Real
Estate Money School. In 2017, he was featured on the cover of Top Agent - Property Management Edition.
Mark travels across the country sharing his wealth of knowledge, and most recently spoke at investment summits in Atlanta,
Chicago, Dallas, and San Francisco. At these events, Mark shares his personal experiences, both positive and negative, with both
new and seasoned investors.
Having successfully completed over 480 rehabilitation projects, Mark brings an abundance of knowledge to his clients and colleagues
on such topics as Property Management, business scaling, the rehabilitation and resale of properties, asset management and stabilization,
market analysis, and investing.
As the Director of Commercial Brokerage for GCRD, Bryan Sonn knows what it takes to succeed in the Commercial Real Estate industry.
His entrepreneurial spirit began at a young age with small endeavors, and has quickly progressed over the years into a multitude of successful business ventures. His relationship based approach with his clients cultivates relationships, that in turn, cultivate into successful transactions.
Over the years, Bryan has accumulated a wealth of knowledge in the Construction and Property Management industries. He has advised clients on enhancing the profitability and increasing the value of their commercial, industrial, and retail assets. He is able to help clients maximize rental prices, identify cost saving opportunities, and proactively address any current or future maintenance issues.
Bryan continues to further his career as an Illinois Licensed Real Estate Broker, Property Manager and investor by investing in his education in all major facets of the real estate industry. He does this by dedicating time out of his schedule to attend courses, seminars, and networking events. He understands that the field changes rapidly and that these learning opportunities provide him the tools he needs to expand his business.
Brad Bullington is the leading Broker in the O’Hare commercial real estate market, a territory that he has represented and specialized in
since graduating from college in 1998. Home to the largest industrial park in the world, the O’Hare market, specifically Elk Grove Village,
is continually attracting new businesses. Thousands of owners, investors, buyers, sellers, and tenants see the value in easily accommodated
cargo operations, a unique and sufficient rail infrastructure, and a prime, centralized location.
Brad has successfully transacted over $1 billion dollars worth of real estate totaling several million square feet. He has represented clients
on a multitude of property types, including industrial, office, retail, healthcare, technology, land, and logistics.
Clients and developers from across the globe seek out Brad’s guidance when they are ready to relocate or expand their business to the O’Hare marketplace. They know his level of expertise is unparalleled and his commitment to his clients unmatched.They rely on his thorough feasibility studies to gauge the future success or failure of their projects. As the local market expert, he can easily prepare business evaluations, cash flow analysis on specific properties, assist with location selection, and provide cash flow analysis.
Brad’s intimate knowledge of the area he serves also allows him to easily and swiftly predict future commercial real estate trends. During the most recent economic downturn, as property values fell and many companies downsized or closed their doors, Brad remained a steadfast leader in the marketplace. Knowing that he needed to position himself ahead of his competitors to remain in business himself, he aligned himself with local banking institutions to dispose of their assets. They trusted him to assist them when they needed it the most, and Brad’s willingness to change the entire course of his business highlights his dedication to this ever changing industry.
Most notably, Brad has assisted a multitude of property owners in decreasing their property taxes by 60% over a 13 year period. He has also been
highly successful in helping buyers obtain the 6B tax abatement, offered by Elk Grove Village.
Brad has been featured in numerous publications, including the Daily Herald, the Elk Grove Book, The Deal Sheet, and the Real Estate Journal.
With over a decade of corporate sales experience with Fortune 500 companies such as Iron Mountain, Enterprise Leasing, & Motorola, Jeff decided to test his entrepreneurial spirit during the height of the economic crash and join GC Realty & Development in 2010. Times were tough and opportunity was scarce but as people were leaving the real estate sector, he found himself learning the ropes in a rough market. His enthusiasm and positive attitude carried him through while learning the O'Hare market and thriving with a clientele who looked at Jeff as one of their own.
During his tenure at GC Realty & Development, Jeff has demonstrated an expertise in the commercial real estate market by quickly learning and anticipating market trends, knowing individual tenants throughout his territory and their needs, and knowing when good opportunities arise for his customer base. He always looks out for his clients and ensures any lease or purchase is a positive one for their business and bottom line. As a result, referrals have become a key part of Jeff's success.
Predominantly focused in areas such as southern Lake, northern Cook, and all of DuPage County, he is always willing to offer a fresh approach to selling or leasing your property with flexible commission standards, marketing campaigns, and negotiating the best terms for your purchase or lease. Being part of GC Realty & Development gives him the ability to work without the constraints a larger firm may have and within your budget.
Some of the clients who have been represented by Jeff in the past include BluLogistics, Lakeside CNC, Sliding Door Company, McGill Machine Works, Partners Manufacturing, Eagle Grips, Grante Foods International, EFE International, Corro Shield International, & Matrix USA.
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