We’d already seen a big month for Boston tech company hiring going into this week—and the personnel moves have continued at a strong pace since then. Diving right in, here are the latest Boston tech jobs changes to know about:

On left, new Karmaloop CEO Seth Haber

• Boston-based Karmaloop announced Seth Haber, a well-connected businessman in the world of “streetwear,” as its new CEO following the fashion e-commerce company’s Chapter 11 bankruptcy case and sale to new owners. Haber was formerly the co-owner and director of the Agenda Trade Shows, held in New York and California, which Karmaloop says have been “the premier streetwear and action sports trade events.” Haber takes the place of founder Greg Selkoe, who’d led Karmaloop as CEO since founding it in 1999 in Jamaica Plain.

• San Francisco-based mobile ad tech firm Tapjoy announced that its new CTO is well-known local engineer Sean Lindsay, who’s based at the company’s Cambridge office. Lindsay joined Tapjoy in 2012 through its acquisition of local social game publishing startup Viximo, which Lindsay co-founded.

Openbay, a Cambridge online marketplace for auto repair, announced three new executive hires. They are Ashley Halverson as VP of marketing (formerly of Goji); Kevin Osborne as VP of customer development (formerly of AOL); and David Vallance as VP of product (formerly of Kiva Systems/Amazon).

Brian Ahern takes over at Threat Stack for Doug Cahill, who’d been CEO for a little over a year.

• Boston cybersecurity startup Threat Stack announced Brian Ahern as CEO. Ahern, who previously founded and led Industrial Defender (acquired by Lockheed Martin), takes over for Doug Cahill, who’d been CEO of Threat Stack for a little over a year.

• Boston’s OpenView Venture Partners named Jim Baum as venture partner. Baum was formerly president and CEO of Netezza, which IBM acquired in 2010 for $1.7 billion, and following that headed Symbotic, a maker of mobile robots for warehouses.

• Boston cybersecurity firm Onapsis has appointed Ron Trackey as VP of product development. Trackey was previously a senior director in product management at EMC’s security division, RSA.

• Cambridge auto insurance site EverQuote has made two additions to its board of directors—MicroStrategy co-founder Sanju Bansal and Vestmark CEO John Lunny.