BOSTON — Weber Shandwick has appointed Michael Byrnes general manager of its Boston office. Byrnes previously served as senior VP, client experience, as which he worked alongside the leadership team in Boston to spur double-digit growth for the market in 2021. In his new role, Byrnes will continue this momentum with a focus on delivering solutions for clients across sectors while recruiting and retaining talent and bolstering the office’s culture.
MIAMI — Carolina Lopez Herz has joined 5WPR as senior VP and general manager of the Miami office. Lopez Herz will focus on further developing the agency's expansion throughout Miami, Florida and the Southeast region of the United States. Further, she will provide guidance and counsel to 5W clients. Lopez Herz joins 5WPR from BCW, where she worked with clients and served as senior counselor to agency leaders on strategy, optimizing operations and assessing talent.
NEW YORK — Ketchum has hired Samantha Schwarz as managing director and health portfolio leader to lead its North America health business. She joins the consultancy from Novartis, where she served as senior director, corporate communications, Novartis Gene Therapies. Schwarz will oversee the entire health sector for Ketchum, which services clients across all health industries including pharmaceuticals, biotech, medical device, consumer health, hospitals and health systems, payers and government health.
NEW YORK — BerlinRosen has promoted Dan Levitan to managing director of tech and innovation and Sara Joseph to executive VP of lifestyle & travel. Levitan has spent 11 years at BerlinRosen, most recently leading the tech and innovation team as an executive VP. Joseph (pictured), a former senior VP, has launched and grown the agency’s lifestyle team which now services clients such as Singapore Airlines and New York’s Meatpacking District.
NEW YORK — Reevemark has promoted Nicholas Leasure to managing director. Since joining Reevemark in 2019, Leasure has contributed meaningfully to the firm’s financial communications and special situations practice, particularly in matters involving shareholder activism and corporate transactions, and has helped lead the firm’s marketing efforts. He worked at Finsbury and Joele Frank before joining Reevemark.

LOS ALTOS, CA — Leslie Llewellyn Capstraw has joined Summit Strategy Group as its first chief operating officer. Capstraw comes to Summit after a career spanning turns at Ogilvy, Weber Shandwick and in boutique consulting roles. She most recently was president/strategic advisor with online education firm Genius Produced, establishing operating procedures and standards of performance to meet the organization’s vision, steer staff accountability and deliver excellence for clients. Capstraw will work closely with agency founder and CEO Michael Law and the leadership team to optimize business operations, enhance client engagement, and recruit and retain world-class talent.

WASHINGTON — Women’s advocate and former editor-in-chief of Woman's Day magazine, Susan Spencer, will join Subject Matter as senior VP. Spencer comes to the creative advocacy firm following an established career in consulting, executive management, and journalism. In addition to her eight years as editor-in-chief of Woman’s Day and, she wrote the book When Action Follows Heart: 365 Ways to Share Kindness and was executive editor at Time Inc.’s All You Magazine.

SAN FRANCISCO — Bospar has hired Brett Larson as senior VP of Red and Blue Media Strategies. Larson joins Bospar from Fox News, where he spent nearly seven years anchoring the morning news for Fox’s 24-hour SiriusXM satellite radio station. He produced Fox’s daily consumer technology report, “Fox on Tech,' for more than 1,600 Fox affiliates and local Fox TV stations nationwide.