Conventional (C) — The Organiser
Detail-focused professional who thrives through order and systems
~18% of the population
Conventional (C) is one of the six RIASEC / Holland Code career-interest types, developed by psychologist John L. Holland. C-types are detail-oriented, systematic individuals who value order, accuracy, and clearly defined responsibilities. They gravitate toward careers in administration, finance, accounting, and data management where organisation and process drive success. Conventional types excel as accountants, auditors, financial analysts, paralegals, and logistics coordinators. Well-known examples include Warren Buffett, Janet Yellen, and Mary Barra.
Strengths
- Strong attention to detail and accuracy
- Natural organisational and planning ability
- Comfortable with procedures and systems
- Reliable and conscientious work ethic
- Ability to manage data and keep detailed records
Challenges
- May struggle with ambiguity or unstructured problems
- Limited interest in creative or novel approaches
- Can find change and innovation unsettling
- Prefers to follow rules rather than challenge them
- May lack interest in people-focused or interpersonal work
Famous Conventional (C)s

Warren Buffett
Investor and businessman. Built wealth through systematic analysis, discipline, and adherence to clear principles.

Janet Yellen
Former Fed Chair and economist. Known for careful analysis, systematic policy-making, and institutional expertise.

Mary Barra
CEO of General Motors. Built career through operational excellence, systems thinking, and process improvement.

Tim Cook
CEO of Apple. Led company through operational efficiency, supply chain mastery, and systematic execution.

Sheryl Sandberg
Business executive and author. Built career through systematic leadership, data-driven decisions, and operational discipline.
Career Matches
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Frequently Asked Questions
What does Conventional (C) in RIASEC mean?
Conventional (C) is one of the six RIASEC / Holland Code types that describes people who are orderly, systematic, and detail-focused. Conventional types value structure, procedures, and clearly defined rules. They prefer working within established systems and processes rather than challenging or changing them.
How common is Conventional interest type?
Conventional types represent approximately 18% of the population, making it a moderate to common interest pattern. This prevalence reflects the critical importance of systematic, detail-focused work in finance, administration, and operational management.
What are the best careers for Conventional types?
Conventional types excel in systematic, detail-focused roles: accountant, auditor, financial analyst, paralegal, insurance underwriter, actuary, bank teller, logistics coordinator, and tax preparer are strong fits. Any career rewarding accuracy, organisation, and adherence to procedures appeals to C-types.
What is the difference between Conventional and Investigative types?
Conventional types focus on applying established systems and procedures accurately and reliably, while Investigative types focus on understanding and analysing complex systems. Both are analytical, but Conventional people maintain systems, while Investigative people study and understand them.
Is RIASEC the same as the Holland Code?
Yes, RIASEC and Holland Code are the same framework. RIASEC is the acronym for the six types (Realistic, Investigative, Artistic, Social, Enterprising, Conventional), named after psychologist John L. Holland who developed the theory in 1966.
Who are some famous Conventional types?
Commonly recognized Conventional types include Warren Buffett, Janet Yellen, Mary Barra, Tim Cook, and Sheryl Sandberg. These are estimates from their known systematic leadership, operational excellence, and procedural discipline, not validated test results.
Famous-person type assignments are estimates based on public writing and behaviour, not validated test results. Results Library content is educational, not a clinical assessment.