Ronald Johnson became President and Chief Executive of Central Bancorp, Inc. upon its founding in April 2006. Prior to Central Bancorp, Johnson served as Vice President of CB&T Wealth Management (formerly The Corundum Group which he co-founded), as a Registered Investment Advisor specializing in the needs of high net-worth families. In addition to his current responsibilities at Central Bancorp, Johnson is Chairman of the Board of CB&T Trust Company, LLC and trustee of two private charitable foundations.

Prior to establishing The Corundum Group, Johnson was Vice President and Assistant Treasurer of Dain Bosworth Incorporated where, during his eight year tenure, he oversaw the securities lending, cash management, and money market mutual fund departments.

Johnson’s securities lending duties at Dain Bosworth included risk control, daily lending and borrowing, analyzing securities for option arbitrage, and interest-rate forecasting for a $135 million loan program. Other management duties for which he was responsible included directing all aspects of the firm's $600 million proprietary cash management accounts (plus short-term interest rate trend analysis, daily investment strategies for the government, governmental agency, commercial paper and reverse repurchase agreement markets), as well as the administration of the debit-card and checkwriting programs. Licensed as a commodities principal, Mr. Johnson managed the firm's risk exposure in the commodities and financial futures markets.