Castellan Solutions: Castellan Positioned for Continued Growth with Executive Team Hires Michael O'Grady, Jeremy Sharp, and Tara Davidson join global provider of business continuity and operational resilience solutions Castellan Solutions, the largest, global provider of business continuity and operational resilience solutions, continues its strategic growth with the addition of Michael O'Grady, Jeremy Sharp, and Tara Davidson. Offering expertise that drives financial growth and company culture, Castellan's latest additions exemplify the company's commitment to its people, clients, and community. "I am thrilled to welcome Michael, Jeremy, and Tara to our team," says Jon Ezrine, CEO of Castellan Solutions. "With the addition of these talented individuals, we are intentionally looking toward the future, and I am excited for the positive impacts they will have."