NEW YORK—Ricochet Public Relations, a firm specializing in stakeholder communications and reputation management, has named David Kalson chief executive officer. Previously executive managing director at RF Binder, Kalson has more than 20 years of experience working with scientific, energy and environmental industries and issues.

IRVINE—PainePR has added Jon Cronin as managing director of social engagement. In his new role, he will lead PainePR’s social engagement practice, driving senior-level social thought leadership, expanding global social capabilities and growing client business. Previously, Cronin developed and led interactive strategies and marketing campaigns for brands ranging from Yahoo!, Microsoft and Expedia to such consumer icons as Procter & Gamble, Sephora and Calvin Klein.

EAST RUTHERFORD, NJ—MWW Group has added three new hires to Dialogue Digital, the company’s digital marketing/social media group and visual branding practice. Ben Aronson joins as digital strategist after four years running his own digital media agency, Tao Experience. Rebecca Barlow joins as digital programmer, with past experience including analytics work with Meltwater Buzz, and additional experience working with recognized brands such as, Cynthia Rowley, and Jezebel Magazine. And Jovanna Greenidge joins as digital assistant.

SEATTLE—Audrey Lincoff is joining Publicis Consultants USA, part of MSLGroup, as senior vice president. Lincoff was previously vice president, corporate communications at Expedia, and vice president, global communications at Starbucks Coffee Company. She has experience in food and beverage public relations, consumer engagement, lifestyle marketing, new technologies and issues management.

PARSIPPANY, NJ—Coyne Public Relations has added Min Tak to its travel and lifestyle practice as assistant vice president. She will work on the team’s existing client base, including Disney Parks & Resorts and Hard Rock Hotels & Casinos, among others, as well as support the team’s new business development efforts. Previously, Tak led the wine division at a Nike Communications, a boutique, luxury PR firm, representing iconic brands such as Robert Mondavi, Ruffino, Riedel Crystal, and several popular wineries in Napa Valley and Sonoma.