HOUND signed Bo Mirosseni to its directorial roster.

Solve promoted Kara Brower, Ryan Murray and Roman Paluta to partners.

DDB Chicago, promoted Jamie McGarry to senior vice president, director of business development, and Mark Hansen to chief client officer, managing director. McGarry will spearhead new business and organic growth and continue to report to Paul Gunning, president and chief executive officer of DDB Chicago. Hansen's duties have expanded to include operational aspects of running DDB Chicago on a daily basis. He remains head of DDB Chicago's account management department and oversees the agency's client relationships. In the past year, McGarry led DDB Chicago to win multiple new assignments, including LifeLock, Fiat Chrysler Automobiles, and State Farm's brand repositioning. Most …

Baldwin& is expanding its creative department with two art directors and two copywriters in order to manage its growing client base. Nate Hinners is departing Possible Worldwide, Seattle to join as senior art director, working across accounts including Cree, Krispy Kreme, and Seventh Generation. He reports to agency co-founder and executive creative director Bob Ranew and replaces Jimmie Blount who left to join Austin-based Preacher. Kory Brocious is named to the newly-created art director role and reports to Ranew. He has worked with accounts such as Reebok, Shell, Lamborghini, and Zaxby’s and was part of an award-winning team - One …

R/GA Los Angeles has expanded its leadership team to include Adrian Barrow as executive strategy director; Brandon Mugar as co-executive creative director; and Jai Tedeschi as executive production director. Their arrival follows the recent appointment of senior vice president, managing director, Nicky Bell and rounds out the existing leadership team, which includes Kalle Hellzen, co-executive creative director and Kat Friis, executive production director, US Content Studio. Barrow brings 25 years of global experience to his new role. He has held director level positions at agencies including J. Walter Thompson, Saatchi & Saatchi, Goodby Silverstein & Partners and DMB&B. Mugar joins …

DDB New York promoted two and hired two. Melissa Martinez, former group business director, was elevated to chief marketing officer, and Michael Collins, former global business director, was promoted to managing partner. Alexander Rea was hired as creative technology officer, and Kimberly Bernhardt joins as managing partner. Most recently, Martinez led integrated communications planning for the New York Lottery, and digital innovation initiatives and platform development for State Farm. As CMO, Martinez will be responsible for new business development, driving organic growth and leading key strategic marketing initiatives for the agency. Collins is charged with building enduring agency/client partnerships in …

Hill Holliday promoted Chris Wallrapp to president and Leslee Kiley to chief operating officer. The agency has not had a president since Karen Kaplan became chairman & CEO in 2013, and the COO title is new. Wallrapp, who previously served as chief growth officer, joined the agency in 2010 and led the teams behind new business wins, including Planet Fitness and Tempur Sealy International. Previously, Wallrapp held strategic roles at GSD&M, Fallon, Carmichael Lynch and Modernista!, where he first teamed up with Hill Holliday's chief creative officer, Lance Jensen. Kiley, a 20+ year veteran of the agency, most recently served …

Joe DeSalazar joined Sullivan as managing director, strategy.

MEC named Veronica Norcross as client service director for MEC Latin America.

AnyClip added Jonathan Durden as an advisor.