Kathleen Sebelius served as the Secretary of Health and Human Services under President Barack Obama from 2009 to 2014. During her tenure, she played a pivotal role in the implementation of the Affordable Care Act, aiming to expand access to healthcare and reform the insurance industry. Sebelius's leadership was critical during the rollout of healthcare.gov, the new online marketplace for health insurance, which faced numerous technical challenges. Prior to her federal role, Sebelius was...