Did you know that Americans toss away approximately $62 million in loose change a year? Who knew that pocket change could add up to such a figure? Meet New York entrepreneur, Jeffrey Witten, the ...

When former Apple employee Jeff Witten appeared on Season 9, Episode 23 of ABC's "Shark Tank," his goal was to eliminate coinage from cash transactions. Enter CoinOut: an app for retailers and ...

In 2018, Jeff Witten, the founder of CoinOut, appeared on episode 23 of Shark Tank season 9. He sought a $250,000 investment from the sharks in exchange for a 7.5% stake in his company, valued at ...

It’s always fun to see what happens to my students after they leave class. Jeff Witten started CoinOut four years ago in my Columbia University 5-day Lean LaunchPad class. CoinOut eliminates the ...

If you like paying with cash, but don’t want to deal with loose coins, this app will send your change to your phone. Who isn’t frustrated at coming home with a pocket full of loose change? Well, just ...

We may receive a commission on purchases made from links. Outside of short segments aired during the show, many businesses often fly under the radar after they appear on "Shark Tank." With many new ...

Originally published by Steve Blank on LinkedIn: CoinOut Gets Coin In It’s always fun to see what happens to my students after they leave class. Jeff Witten started CoinOut four years ago in my ...