Leonce John "L. J." Sevin, Jr. (August 28,[1] 1930 - September 12, 2015)[2] was described by a Dallas newspaper, when he died, as "Mostek co-founder,venture capitalist." He was also co-founder of Sevin Rosen Funds.[3]
Sevin co-founded Mostek when, in 1969, he left Texas Instruments;[4] he was the company's CEO for ten years.[2]
With Benjamin M. Rosen, he co-founded Sevin Rosen Funds in 1981.[5]
He served on the board at[2] [6]
He was born to Leonce[8] John Sevin, Sr. and Pauline Perkins Sevin[2] in Baton Rouge.[3] He fought in the Korean War and, with funding from the G. I. Bill, attended and graduated from Louisiana State University,[2] with a Bachelor and Master of Science degrees in Electrical Engineering.[3] [9] [10]
In 1965,[3] while working for TI, he wrote a book, "Field Effect Transistors"[11] that was translated into seven languages.[2]
When Sevin died, his family included wife Jo Danna Sevin, daughters Christine Sevin Burke and Paula Sevin Webster Hayes, son Gordon Sevin, two grandchildren and a great-grandchild.[3]
In 1982 daughter JoAnna Sevin "died in an automobile accident."[2]