Derrick Mitchell has joined Holland & Knight as a partner in the firm’s Houston office. Mitchell, a member of the firm’s national public finance team, serves as bond counsel and disclosure counsel for tax-exempt financing for cities, counties, state agencies and independent school districts, among other matters. He previously was a partner at Bracewell.

Nicholas Sarokhanian and James Voelker have been promoted to the position of partner at Holland & Knight in Dallas. Theresa Wanat has been promoted to partner in the Houston office. Sarokhanian and Wanat are in the firm’s litigation section. Voelker is in the business section.