Peggy Walker has joined Dominium, a Minneapolis-based firm that owns, develops and manages apartment communities, as vice resident of property management. She will be responsible for managing newly closed development transactions in California and Texas. Previously, Walker had served as the director of operations with NRP Management.

Dominic Petrucci has joined Newport Beach, Calif.-based Buchanan Street Partners as chief financial officer. He will oversee corporate finance, investment accounting and information technology. Previously, he was chief operating officer of Cornerstone Real Estate Funds.

Marc Berley has been promoted to executive managing director of Walter & Samuels, a New York-based property and asset management firm. He will manage its commercial and residential portfolio and spearhead new development projects. He had been managing director.

Marco Lala has joined Marcus & Millichap Real Estate Investment Services as associate vice president of investments in Manhattan. He is responsible for multifamily, commercial, retail, industrial, and land sales. He had been a partner of Massey Knakal Realty.