An modern clean illustration showing the progression of a single employee's career within a company, depicted in four stages. The first stage shows the person as a new hire during onboarding, interacting with a mentor. The second stage illustrates the same employee in a mid-level position, actively collaborating with colleagues in a team setting. The third stage presents the individual as a leader, confidently leading a meeting or presentation. The final stage showcases the employee as a senior executive, possibly giving a keynote speech or mentoring others. The illustration should clearly reflect that it is the same person evolving through these career stages, with visual cues like changes in attire, posture, and surroundings that signify their advancement. The overall style should be professional and engaging, with a cohesive color scheme that ties all four stages together. Complete female person