who was the secretary of treasury in 1996

The Secretary of the Treasury in 1996 was Robert E. Rubin. He served under President Clinton and was still in office throughout 1996.

html

<h1>Quick Scoop</h1>
<p>Robert E. Rubin was the U.S. Secretary of the Treasury in 1996.</p>
<ul>
  <li><strong>Name:</strong> Robert E. Rubin</li>
  <li><strong>President:</strong> Bill Clinton</li>
  <li><strong>Service period:</strong> Jan. 10, 1995 to Jul. 2, 1999</li>
</ul>

TL;DR: Robert E. Rubin.