Diane Sullivan is the Executive Director of Health Plans for the Southwest and Southeast Regions at Quest Diagnostics, where they oversee a $1 billion book of business and lead a health plan team to drive profitable growth. With a strong background in sales and operations, Diane previously ranked #1 in sales as a Senior Regional Sales Consultant at DrFirst and served as a Principal and Owner at Alliance Pain Centers, significantly boosting collections and expanding services. Diane holds a B.S. in Combined Science from Texas Christian University and possesses a well-rounded expertise in health plan negotiations and strategic business development.
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