James R. Von Ehr II (born in 1950) is an American programmer, inventor and entrepreneur.

Von Ehr is the former chief executive of Zyvex corporation, the world first and most successful molecular nanotechnology company.

[1] Von Ehr founded Zyvex corporation in 1997 with a vision of assembling a nanoassembler.

Von Ehr founded Altsys Corporation in Dec 1984, and was President, Chairman, and CEO.

Altsys was sold to Macromedia in 1995, where Von Ehr held a seat on the Board of Directors for nearly four years.