Leo Grand is a

coder A programmer, computer programmer or coder is an author of computer source code someone with skill in computer programming. The professional titles ''software developer'' and ''software engineer'' are used for jobs that require a program ...

who developed the

mobile app A mobile application or app is a computer program or software application designed to run on a mobile device such as a smartphone, phone, tablet computer, tablet, or smartwatch, watch. Mobile applications often stand in contrast to desktop appli ...

"Trees for Cars." Grand lost his job at

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in 2011, as well as his home, being forced on his own in New York City. In August 2013, while homeless, he was offered the choice between $100 or coding lessons, by Patrick McConlogue. Grand opted for the lessons. Grand was able to learn coding, leading to the launch of "Trees for Cars," his own mobile app. The application has the aim of being environmentally beneficial. The app went on sale for $0.99. In May 2014, a follow-up by ''

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'' revealed that Grand, although earning a little under $10,000 from the app, was still homeless. A 2015 follow-up by ''

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'' found that Grand continues to be homeless. He has less enthusiasm in coding, but wants to get back into it someday.

References

{{DEFAULTSORT:Grand, Leo 21st-century American people American computer specialists American homeless people Date of birth missing (living people) Living people Year of birth missing (living people)