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Benjamin Portnoy is a media/marketing expert with over 20 years of experience in graphic & web design, lead generation, presentation skills training, audio/video production, voiceover, and data analysis for small businesses, Fortune 500 companies, and higher education institutions through his company, Mouthpiece Media. He also founded Resonance Investments, LLC, a USA-based company that deals in real estate investment properties.

Portnoy began studying Google Sheets as a way to track and organize data related to his companies and clients and found it to be an indispensable tool. Shortly thereafter he started getting requests from family, friends and clients to show them how to use the program.

With an increasing demand for Google Sheets training, Portnoy has released these courses to the general public. Now, hundreds of students around the world learn to master this free, powerful platform on a daily basis