Below is a summary of our committee structure and membership information. To read more about any of the committees, click on committee names in the chart below. Audit Committee Nominating and Governance Committee Compensation Committee N. Leigh Anderson Ph.D. Audit Committee Nominating and Governance Committee Compensation Committee *Barry Phelps Audit Committee Nominating and Governance Committee Compensation Committee Gary Spiegel Audit Committee Nominating and Governance Committee Compensation Committee = Chairperson = Member