National lender Avatar Financial Group this week hired Richard Caldwell as director of originations to further boost its lending and underwriting capabilities. Caldwell will be based in Northern California and focus on originating and underwriting commercial real estate loans, business development and expanding Avatar's national platform. Caldwell joined the firm from California-based Extensia Financial, a credit union and commercial real estate lender, and was previously a founding partner of Newport Beach, California-based real estate private equity manager Buchanan Street Capital.