International arbitrator and litigator Joseph Mamounas has left Bilzin Sumberg Baena Price & Axelrod, while transactional attorney Jose Sariego has joined the Miami firm.

Mamounas left Bilzin Sumberg, which named him a partner just four months ago, to join Holland & Knight’s Miami office as a partner. He previously worked at Baker & McKenzie for nearly six years and is proficient in English, Spanish, French and Greek.