About UsOur Interior Design Firm, Scottsdale, AZ Vicki Bergelt Interior Design, Renowned and Respected Interior Design Firm located in Scottsdale, AZ. Founded in 1991, we are one of the leading and renowned full service residential interior design firms in Scottsdale, AZ. Vicki Bergelt, Scottsdale’s Interior Designer, is the brains behind the firm. She believes in putting passion and rich imagination into each and every interior design project.