Carmel-based Mainstreet has hired several people: Mark Fritz (pictured), president of operations in Texas and Arizona for Mainstreet Health; Joyce Fritz, vice president of operations in Texas for Mainstreet Health and Daphne Clark (pictured), vice president of strategy and product development for Mainstreet Health. The other people hired include: Andrew Bernethy, IT support specialist; Kimberly Eaton, paralegal; Julie Hutchison, an accounting manager, Drew McCuiston, senior associate of investments; Linda Slipher, administrative assistant and Darryl Wellinghoff, senior vice president of business development.