Mike Krieger and Vicki Hollub built influential careers in very different industries. Krieger changed social media as the co-founder of Instagram and later became a leading technology and artificial-intelligence executive. Hollub made history in the energy sector as the first woman to lead a major American oil company. Although both are recognized for innovation and leadership, their backgrounds, education, careers and public profiles differ considerably. The following comparison presents their most important personal and professional details.
Mike Krieger and Vicki Hollub – Quick Bio Table
| Profile Detail | Mike Krieger | Vicki Hollub |
| Full Name | Michel “Mike” Krieger | Vicki A. Hollub |
| Famous For | Co-founding Instagram with Kevin Systrom and serving as its chief technology officer | President and CEO of Occidental Petroleum and the first woman to lead a major U.S. oil company |
| Net Worth | Approximately US$350 million, based on unofficial estimates; not publicly confirmed | Approximately US$50 million, based on unofficial estimates; not publicly confirmed |
| Date of Birth | March 4, 1986 | Exact date not publicly confirmed; birth year commonly reported as 1960 |
| Age | 40 years old as of August 2026 | Approximately 65–66 years old as of August 2026 |
| Birthplace | São Paulo, Brazil | Birmingham, Alabama, United States |
| Nationality | Brazilian-American | American |
| Nickname | Mike | No publicly documented nickname |
| Profession | Entrepreneur, software engineer and product executive | Petroleum engineer and business executive |
| Current or Recent Role | Chief Product Officer at Anthropic, according to information available through December 2025 | President and Chief Executive Officer of Occidental Petroleum |
| Career Beginning | Worked at Meebo in user experience and front-end engineering | Began her energy career at Cities Service, which was later acquired by Occidental Petroleum |
| Major Company | Occidental Petroleum, also known as Oxy | |
| Major Achievement | Helped build Instagram from a small photo-sharing application into a global social-media platform | Became the first female CEO of a major American oil company |
| Major Business Deal | Instagram was acquired by Facebook in 2012 for approximately US$1 billion in cash and shares | Led Occidental’s 2019 acquisition of Anadarko Petroleum and its 2024 acquisition of CrownRock |
| Other Business Venture | Co-founded the personalized news application Artifact | Expanded Occidental’s investments in carbon capture, storage and direct-air-capture technology |
| Education | Stanford University | University of Alabama |
| Degree | Studied Symbolic Systems, combining computer science, psychology, linguistics, philosophy and artificial intelligence | Bachelor’s degree in Mineral Engineering |
| Parents | Names and professional details are not publicly documented | Names and professional details are not publicly disclosed |
| Siblings | Not publicly documented | Not publicly disclosed |
| Marital Status | Married | Not reliably confirmed |
| Spouse | Kaitlyn Trigger | No spouse has been reliably identified in authoritative public sources |
| Children | Not reliably disclosed publicly | Not publicly disclosed |
| Family Life | Maintains a private personal and family life | Keeps her personal and family life away from public attention |
| Hobbies and Interests | Technology, software development, photography, product design, entrepreneurship and artificial intelligence | Engineering, energy production, leadership, carbon management and emerging energy technology |
| Historically associated with the username “mikeyk,” though current verification is recommended | No widely documented verified personal Instagram account | |
| Religion | Not publicly disclosed | Not publicly disclosed |
| Leadership Focus | Product development, engineering, user experience and artificial intelligence | Energy operations, debt reduction, acquisitions, shareholder returns and carbon-management technology |
| Public Recognition | Known globally as one of Instagram’s two founders | Recognized as one of the most prominent female executives in the global energy industry |
| Privacy Level | Publicly known for his technology career but private about family matters | Highly private about her personal life despite her major corporate position |
Mike Krieger and Vicki Hollub Images





