José Manuel Restrepo, vice president of Colombia, canceled his Friday appearance at the World Leaders Forum.

Acting University President Claire Shipman, CC ’86, SIPA ’94, announced at a Friday University Senate plenary that Columbia is exploring a pilot program that would reopen the campus’ gates after over two years of restrictions.

The University Senate voted at an Oct. 24 plenary to approve the creation of a Master of Science in artificial intelligence, a new master’s degree in the School of Engineering and Applied Science.

Dennis Mitchell, Public Health ’96, has been appointed dean of the College of Dental Medicine following a nearly ninth-month term as interim dean, the University announced Wednesday. Mitchell will remain senior vice president of the Columbia University Irving Medical Center.

The President’s Advisory Committee on Institutional Voice released its recommendations in a Thursday report, calling for the University and its academic departments to “exercise restraint” in speaking in their institutional capacity on issues that “do not directly threaten Columbia’s paramount values and fundamental commitments.”

A group of 108 current and former Columbia and Barnard faculty members filed a Sept. 17 amicus brief in support of Palestinian activist Mahmoud Khalil, SIPA ’24, who is appealing a deportation order.