• Aron Zuckerman has joined Simpson Thacher & Bartlett as a partner in the firm's real estate practice. He was previously with Cleary Gottlieb Steen & Hamilton.

Stephanie Marcantonio, partner at Sheppard Mullin. Courtesy Photo

• Sheppard Mullin has added Stephanie Marcantonio as a healthcare partner. She joins from Crowell & Moring where she was a partner. The firm has also added Jared Nagley as a partner in its antitrust & competition practice group and healthcare industry team. He was previously counsel at Paul, Weiss, Rifkind, Wharton & Garrison.