Justin Mares Courses
Master Google Sheets (and see why it's better than Excel)
4.5 (12,387 Reviews)
Provider: Udemy
Time: 2.8h- 2015
$19.99
VisitBecome a Growth Marketer: Learn Growth Marketing & Get a Job
4.1 (1,348 Reviews)
Provider: Udemy
Time: 4h- 2025
$69.99
VisitProductivity for Mac Users: 10x Your Productivity
4.6 (1,124 Reviews)
Provider: Udemy
Time: 1.7h- 2014
$12.99
VisitLearn the Basics of Programming for Marketers
4.0 (80 Reviews)
Provider: Udemy
Time: 3.3h- 2016
$34.99
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Most Recent Review
A lot of the training no longer matches google sheet drop down options, meaning some of this content I believe needs to be update. I did learn a lot though and liked the instructor's teaching approach. Overall, great course, just needs some updates.
- Review by Amber Hayes on Master Google Sheets (and see why it's better than Excel)
Instructor Bio
Hi! My name is Justin Mares. I formerly ran growth at developer tools company Exceptional (acquired by Rackspace in March of 2013).
While there, I taught myself how to become a technical marketer and use tools like SQL to run important analyses on our customer data. Along with learning the basics of HTML, CSS and Python, I've found learning to become a more technical marketer has been one of the most valuable investments in myself I've ever made.
In addition, I'm the co-author of Traction Book, a book about how startups can get traction. For the book, we interviewed Jimmy Wales (founder of Wikipedia), Paul English (founder of Kayak), Dharmesh Shah (HubSpot founder) and pulled together an actionable framework for how startups should think about getting traction and distribution.
I also founded an ecommerce company, Kettle & Fire, that's on a multi-million dollar run rate in just a few months.





