SAN DIEGO — Petco has appointed Tariq Hassan as its new chief marketing officer. Hassan brings more than 20 years of global marketing experience in brand strategy, digital and performance marketing, communications, innovation and insights. Prior to joining Petco, Hassan served as senior VP, Global Brand Strategy and Head of Marketing for Wealth Management at Bank of America Merrill Lynch. Previously, he held senior marketing roles at Hewlett-Packard and Omnicom. He currently sits on the global board of directors of Education for Employment, an NGO empowering marginalized youth across the Middle East and North Africa through vocational training and job placement.

STAMFORD, CT — Harman International has named Darrin Shewchuk VP of public affairs and communications. Shewchuk is a Harman veteran, serving in progressively senior roles in the communications function since joining the company in 2008. In this position, he will have responsibility for external, internal and digital corporate communications, global communications, government relations, corporate social responsibility, change management and community relations activities.

LAWRENCEVILLE, NJ — The oncology drug development company Celsion has named Marianne Lambertson VP of communications and investor relations. Lambertson most recently held the position of VP, corporate communications, investor relations/public relations at Verastem Oncology, a development-stage biopharmaceutical company. Prior to that, she served as VP strategic development at Pernix Therapeutics and VP specialty medicine at Bayer Healthcare.