In the workplace, a mentor and a sponsor serve different purposes. A mentor provides advice, feedback, and support to help an individual grow in their job and reach their goals. On the other hand, a sponsor is a more senior and influential person who actively advocates for someone's advancement. This distinction was highlighted in a 2010 Harvard Business Review study by Herminia Ibarra and researchers Nancy Carter and Christine Silva.
The study found that women reported having more mentors than men, but their mentors were less likely to be senior executives, and their mentoring relationships did not translate into promotions in the same way. The researchers described high-potential women as “over-mentored” and “under-sponsored.” A sponsor's role can include recommending someone for a major assignment, raising their name during promotion discussions, introducing them to senior decision-makers, or helping them gain visibility on important projects.
Carla Harris, a former Morgan Stanley executive, argues that careers are not built solely through the tasks people complete. Important decisions about promotions and opportunities can happen in rooms an employee has not yet entered, making an advocate inside those rooms valuable. Performance is not irrelevant, but in a genuine sponsorship relationship, the senior person is putting their own credibility behind someone they believe can handle a bigger opportunity.
According to McKinsey's Women in the Workplace 2025 report, among employees surveyed, 65% of those with at least one workplace sponsor had received a promotion in the previous two years, compared with 35% of employees without a sponsor. The report defines a sponsor as someone who actively advocates for career advancement or creates opportunities. This difference is striking, but it should not be read as proof that sponsorship alone causes promotion.
In Kenya, a 2020 University of Nairobi study examined 255 managers in large-scale manufacturing firms and found a relationship between organisational sponsorship, career-management behaviour, and managers' perceived career success. The researchers recommended stronger organisational sponsorship programmes while stressing that employees need to take an active role in managing their careers. Sponsorship is not a substitute for competence.
Effective sponsorship involves public advocacy and a genuine relationship. The sponsor uses influence to create opportunities, while the person being sponsored demonstrates capability and makes use of those opportunities. The practical sequence is often simple: an employee becomes visible through good work, earns trust, develops a relationship with a senior colleague, and eventually finds that person willing to advocate for them.
While there is no universal career rule requiring a sponsor, sponsorship can matter more as careers progress, particularly when opportunities depend on visibility, access, and being considered for work that is not openly advertised. Organisations have increasingly created formal sponsorship programmes, especially for groups that have historically had less access to senior decision-makers.
Key points
- A career sponsor actively advocates for someone's advancement, putting their own reputation on the line.
- Having a sponsor can increase the likelihood of promotion, with 65% of employees with a sponsor receiving a promotion in the previous two years.
- Effective sponsorship involves a genuine relationship and public advocacy, not just a senior executive handing out favours.
