Ultimately, says Mr. Hallock, compensation is an inexact science, determined by labor-market conditions, company budgets and individual employees' performance and turnover risk.
He and his wife, Amy Mickelson, launched the Mickelson ExxonMobil Teachers Academy in 2005 and have testified before the U.S. House Education and Labor Committee about the importance of math and science education.
The Senate Health, Education, Labor and Pensions Committee will hold a hearing on pay equity, while the Commerce, Science and Transportation Committee will hold a hearing on the proposed merger between NBC and Comcast.