Middlefield Banc (MBCN) announced additions to its leadership team. Michael Allen has joined The Middlefield Banking Company as EVP, chief banking officer and John Lane has joined The Middlefield Banking Company as EVP, chief credit and risk officer. Allen will be responsible for managing the company's retail and commercial banking operations and marketing activities, and Lane will be responsible for leading the company's credit administration, loan administration and risk/audit/compliance programs. Prior to joining Middlefield, Allen was president - Mid-Ohio Valley Division for Premier Bank (PINC). Prior to joining Middlefield, Lane was SVP, credit risk at Civista Bank (CIVB).