Siris, private equity firm focused on tech companies, promotes Tyler Sipprelle to partner … Lidar company AEye taps former Harman International executive Matt Fisch as CEO and board member, effective Feb. 13, to succeed departing CEO Blair LaCorte, remaining on AEye’s advisory board ... Hotwire Global Communications promotes Heather Craft to CEO-North America, and Laura Macdonald to chief growth officer.

Smallsat rideshare company Spaceflight names Tiphaine Louradour, ex-International Launch Services, CEO, succeeding Curt Blake, who will consult for Mitsui & Co.’s space group after a transition ... Abracon, manufacturer of systems such as frequency control and timing, RF and antennas, names Richard Diaz, ex-Avnet, vice president-global operations … SEMI elects Axcelis Technologies President-CEO Mary Puma international board chairperson.