Teaching Interests: Cellular and Developmental Biology. Comparative Endocrinology.  Research Interests: Cell physiology. Mechanisms governing hormone synthesis and secretion with emphasis on the roles of Ca,cAMP, and G-proteins in modulating pituitary (growth hormone and prolactin) cell activity. Endocrinology of growth and osmoregulation in fish and mammals. International Activity: Collaborative studies with the Institute of Basic Biology in Japan.