Thomas S. Renk, 32, a former undergraduate and law student at Georgetown University, where he was an editor of the law review, died Friday at Alta Bates Hospital in Berkeley, Calif., after an apparent heart attack.

Mr. Renk was born in Trenton, N.J., and grew up in Wall Township, N.J. He first came to Washington as a student at Georgetown in 1964. He earned his bachelor's degree in 1968 and then began his law studies, which he completed in 1973.

While attending law school at night, Mr. Renk was a management intern at the Department of Labor. He then worked for the National Alliance of Businessmen.

He moved to Saw Francisco after law school. At the time of his death, he was a partner in the firm of Farrow, Schildhause Renk & Wilson, which has offices in Washington and in Oakland, Calif.

Survivors include his wife, the former Diane Gillespie, and a daughter, Jennifer, both of the home in Berkeley; his father, Edmund C. Renk, of Toms River, N.J.; three brothers, Henry J., of Morristown, N.J., Michael J., of Sea Girt, N.J., and Geoffrey E., of Toms River, and a sister, Mrs., David Feeherry, of Silver Spring.