Meet The Team

Our Dynamic Team Members


Chief Executive Officer

Originally from Pittsburgh, Pennsylvania, Aaron Galletta is a Co-Owner of Big Block Platinum and a veteran of the US Navy SEAL Teams where he retired  from in 2021

Aaron holds a Bachelor of Science in Financial Management from National University and an MBA from UCLA, Anderson School of Management, where he co-founded a veteran placement company, Fenrir United. With a great passion for real estate, Aaron has been an investor for 13 years in commercial developments, multi-family, as well as remodels and value-add projects. Now, Aaron’s passion has led him to the Greater Los Angeles Area to introduce local agents to what a modernized brokerage should look like! We are here to create superior earning potential for our agents, and develop investment opportunities for our company, colleagues, and our agents within



Originally from Long Island, New York, Tyler Martin is a Co-Owner of Big Block Platinum and has been a licensed California realtor since 2004. He also has over 10 years of experience in lending.

While in Sunny San Diego, Tyler earned a B.A. in Communications and Business from the University of San Diego. He specializes in investment properties, REO and foreclosures. Tyler Martin is a bold team leader and fast-paced, creative entrepreneur. Tyler has always lived by the motto “do well by doing good while supporting and elevating those around me.” With a keen desire to bring that ‘togetherness’ mentality to Los Angeles, Tyler was driven to open Big Block Platinum to offer the same inspiration that so many in San Diego shared.


Chief Operating Officer

Originally from San Diego California, Karissa is a Co-Owner of Big Block Platinum. Enjoying a life of travel and experience, Karissa has lived in diverse areas from Oregon, Washington, and Colorado to our Southern neighbors down in Texas. Karissa’s heart is as big as her love for real estate, where she advocates for underprivileged children donating countless time and money to various reputable organizations.

Karissa earned her B.A. in Finance and Business from San Diego State University. She has been a licensed California realtor since 2010 and is known as the “Queen” of Foreclosures and REO’s, now owning a portfolio of investment properties. Karissa thrives on helping others succeed. Her vivacious personality and extensive knowledge of the real estate market have led her to close many multi-million dollar deals. Her passion for real estate has driven her to open her own brokerage in Los Angeles, Big Block Platinum, where she will be training and encouraging agents on how to accomplish great success in the real estate industry.

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