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Reviews

Google reviews from home improvement sales professionals and owners who have trained with Grosso University, shown in full and unedited.

July 23, 2026

Review by R G

Best training in the industry, Dan’s Real World Experience and down to earth, easy to relate to delivery transforms a “mandatory” training into one I looked…

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July 23, 2026

Review by Ashton Voss

Dan is incredibly motivating talented. His 11 step course changed the way I look at sales, negotiation, and human interaction more generally. I could not…

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July 23, 2026

Review by Dr. Howard R. Sutherlin Sr.

Training with Dan was amazing. He is so knowledgeable and has a plethora of information. He truly inspired me to go out and close, close, close. This is the…

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July 23, 2026

Review by Gavin Barrett

Dan was excellent! It was thorough and all the details were essential! I am confident I will be infinitely better at my Job.

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July 23, 2026

Review by Marc Yofon

Unreal absolutely outstanding training if you wanna learn to make over quarter mil a year get with this guy!

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July 23, 2026

Review by Mike Brennan

Dan is the man!! Totally worthy and worthwhile!

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June 18, 2026

Review by Landon Taylor

Phenomenal training class, Dominic Has completely refreshed my mind of what the idea of sales is and I’m excited to be able to take what I’ve learned from him…

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June 18, 2026

Review by Shad B (Grand Foodtaster)

Extremely knowledgeable. Honestly, gave a boost to the whole room when he walked in. Golden opportunity to learn from Dominic. Real eye opener. Thank you…

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June 18, 2026

Review by Colin Smith

Great training class!!

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June 18, 2026

Review by Luke Nickles

As someone who is newer to first call close in-home sales, Dan was a wealth of knowledge who broke down concepts in a really digestible way. Really cool down…

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June 18, 2026

Review by Connor McKnight

Incredible training with Grosso University! Whether you are a seasoned veteran getting a refresher or someone that is new to the industry, Grosso University's…

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June 18, 2026

Review by Brad Wiese

Dan’s training was very relatable, personable, down to earth and actionable. It did not feel like other training classes.

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June 18, 2026

Review by Jason Light

Dan is a great sales instructor and really takes the time to make sure your keeping up with the information. Whether your new to sales or a seasoned pro…

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June 18, 2026

Review by Rick Lemke

Dan is one of the best trainers, and people, that you'll ever meet! This was a great experience filled with useful information.

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June 17, 2026

Review by CL Campbell

Paid Grosso University $28,750 for the Jumpstart Program and Sales Academy Subscription under a signed agreement that promised completion in approximately 6–8…

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June 16, 2026

Review by Zach P

I have been through a lot of trainings in my career, and I have always been known as the guy who falls asleep throughout it. My brain just has a switch that…

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June 16, 2026

Review by Insurance Consultants

Grasso University is the gold standard for industry training. The curriculum is sharp, practical, and delivers results I can put to work right away. If you’re…

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June 15, 2026

Review by Troy Hernandez

Enjoyed the opportunity to attend Grosso University! The training was professional, engaging, and interactive. It served as a great reminder that the proven…

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June 15, 2026

Review by Dylan

Best sales training i’ve ever attended! 11/10 Highly recommend!!

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June 15, 2026

Review by shaun smedley

Grosso University did more than just teach me how to be the best salesman I can be. It gave me product knowledge that I hadn't heard before with real life…

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June 12, 2026

Review by Brendan Buck

This was my introduction to sales and gave me a great foundation to start my career off with. I learned more than I thought was possible in 3 days.

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June 12, 2026

Review by Jett DEugenio

Dominic was incredibly knowledgeable, thoughtful and detailed. The 3 day in house mini-camp of Grosso U has completely changed my perspective of my sales…

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May 21, 2026

Review by Luke Stephenson

I recently had the opportunity to learn from Dan at Grosso University, LLC and it was an incredibly insightful experience from start to finish. Dan does a…

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May 21, 2026

Review by Pam Tourville

The only thing I wish I had - was this 5 years ago when I first got into in-house sales! This was outstanding and appreciate the knowledge they shared! would…

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