Phone: (917) 699-1284

Fred Hahn’s Slow Burn strength training technique is exercise purified and refined. His best selling book The Slow Burn Fitness Revolution has transformed thousands.

“Sherri Rosen Publicity, NYC and Serious Strength have been working together for the past year and we are pleased and we look forward to a continued and long lasting relationship”
— Fred Hahn, owner of Serious Strength, NYC

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Latest From the Blog

Making Our World a Better Place-Sherri Rosen
October 9, 2019

When I have guest bloggers on my blog, I enjoy having people write who are doing good things in the world.  This time I met a woman through WEWORK and we connected right away.  When I found out what she does I asked her if she would write a blog about her work.,  Again, you […]

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