Gabby Fonseca

Assistant Operations Manager

I am an Operations and HR professional passionate about people. I enjoy creating inclusive and innovative work environments that encourage growth and communication. At 25madison, I support the team and greater company to ensure we have all the tools and resources to be successful.


I am a proud New Jersey native who has spent time living in Washington, DC and Madrid, Spain. I love art, and most weekends I can be found in the studio painting or making pottery. I also enjoy visiting art museums and cultural events around the city.

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Work with us

Building businesses is in our DNA. We’re a small but mighty team of tinkerers, designers, geeks (the cool kind), operators, business moguls and everything in between. Wildly strategic, yet so deep into it that we’ve got the scars to prove it.

Whether it's with the 25m Studio, 25madison Ventures,  25m Health, or 25m Create, we’re looking for great people who love their work, solving problems, and having fun. Jerks need not apply.