The husband and wife team of Susan Casey, left, and Richard Casey pose for photographers after Square 1 Bank received the CED prize for “Deal of the Year — Private” at the CED’s 20th annual Entrepreneurial Excellence Awards banquet in Durham on Wednesday night. Richard is president of the bank, and Susan is the chief credit officer. Square 1, which focuses on venture-backed companies, raised more than $100 million before launching operations last August.