
The Woman Who Audited America’s Glass Ceiling
In 1991, women in corporate America were struggling to reach the highest levels of leadership. Company executives insisted that the problem was simply a matter of time—that women would eventually rise through the ranks as they gained more experience.
But U.S. Secretary of Labor Lynn Morley Martin wasn’t convinced. Instead of accepting those explanations, she launched an investigation into 94 major corporations to uncover what was really happening.
The boardrooms of America’s largest companies were overwhelmingly dominated by white men. Women were entering the workforce, earning degrees, and taking management positions, yet their names seemed to disappear before reaching the executive offices.
Martin was an unlikely figure to challenge the corporate establishment. A Republican from Illinois, she had begun her career as a high school economics and government teacher before moving into state politics and eventually Congress. Her colleagues called her “The Axe” because of her determined efforts to cut government spending.
She was a fiscal conservative who believed in smaller government and lower taxes. But she also understood that equal opportunity had to mean something in practice. During her time in Congress, she had supported applying civil rights protections to workers employed within the Capitol itself.
Her reputation caught the attention of President George H. W. Bush, who appointed her Secretary of Labor in 1991.
When Martin examined workforce projections, she saw a troubling contradiction. Women and minorities were expected to account for much of America’s future workforce, yet they remained largely absent from senior corporate leadership.
Women made up 37.2% of employees at major corporations, but held only 6.6% of senior management positions. Women from minority groups faced an even greater barrier: they represented 15.5% of the workforce but occupied just 2.6% of top leadership roles.
Corporate leaders continued to claim that the system was fair and that women simply needed more time. Martin decided to test those claims.
She directed federal investigators to look beyond entry-level hiring and examine the highest levels of corporate management. The Department of Labor selected 94 companies from the Fortune 1000 for a pilot compliance review. Together, these companies employed more than 147,000 people and held billions of dollars in federal contracts.
Investigators examined payroll records, internal memos, succession plans, and personnel files belonging to senior executives.
What they uncovered challenged the companies’ explanations.
Women were often steered into departments such as human resources, public relations, and administrative services. These positions could carry impressive titles, but they rarely provided the financial and operational experience needed to become a CEO.
The investigation also found that some executive recruitment firms were instructed to search for white male candidates. In certain cases, women were excluded from candidate lists before they had any opportunity to interview.
Leadership training and mentoring opportunities were frequently directed toward men. Succession plans often included male names while leaving qualified women out entirely.
Investigators also documented how assumptions about family responsibilities influenced hiring decisions. Some executives believed women would be unwilling to travel or relocate, even when the women themselves had never been asked.
In August 1991, Martin presented the findings publicly. She made it clear that the glass ceiling was not simply an idea or an unfortunate coincidence. It was a real barrier supported by corporate practices and decisions.
The work continued beyond the report. The Civil Rights Act of 1991 established the Glass Ceiling Commission, which Martin led. The commission examined the barriers preventing women and minorities from reaching senior leadership and developed recommendations for change.
Companies found in violation of federal requirements could be required to take corrective action. Some also paid back wages to employees who had been unfairly underpaid.
The commission released its final recommendations in 1995, helping bring greater attention to leadership opportunities, recruitment practices, mentoring, and succession planning.
The numbers show that progress has been made, but the gap has not disappeared. In 2023, women led 52 Fortune 500 companies, while 448 were led by men.
Lynn Morley Martin’s contribution was not simply that she spoke about the glass ceiling. She pushed the federal government to investigate it, document it, and challenge the practices that kept women from reaching the top.
She turned a barrier many companies dismissed into something they could no longer ignore.