What does CIO stand for? In business, CIO stands for “chief information officer.” The CIO is the senior executive responsible for a company’s information technology: its systems, networks, data, software and IT team. CIOs make sure technology supports business goals and runs securely and reliably. In finance, CIO can also mean “chief investment officer.”
What does CIO mean at work?
The CIO leads the technology the business runs on. That includes email and collaboration tools, finance and HR systems, data storage, devices, help desks and the people who support them.
A CIO’s main responsibilities usually include:
- Setting the company’s IT strategy and budget
- Choosing and managing major systems and vendors
- Keeping systems reliable, with plans for outages and recovery
- Working with security leaders to protect data
- Leading digital projects that make work faster or cheaper
- Managing IT teams and service desks
CIOs typically report to the CEO, COO or CFO, depending on the company. In smaller organizations, an IT director may cover similar duties without the C-suite title.
Examples of CIO in emails and messages
Company announcement: “Please welcome Maria Lopez, our new CIO, who will lead IT, data and digital operations.”
Slack: “The CIO wants a business case before we buy another project tool.”
Board email: “Our CIO will present the three-year technology roadmap at the next meeting.”
Investment context: “The fund’s CIO adjusted the portfolio after the rate change.” (chief investment officer)
CIO vs CTO vs CISO
| Title | Stands for | Main focus |
|---|---|---|
| CIO | Chief information officer | Internal IT systems and how technology supports the business |
| CTO | Chief technology officer | Technology in the company’s products, often customer-facing |
| CISO | Chief information security officer | Cybersecurity, risk and data protection |
Not every company has all three. In some firms the CIO also handles the CTO or CISO role.
How to use CIO correctly
- Spell it out the first time. Write “chief information officer (CIO)” in formal documents.
- Check the industry. In banking or asset management, CIO often means chief investment officer.
- Capitalize titles before names. “CIO Maria Lopez” or “Maria Lopez, chief information officer.”
- Bring business impact to CIO conversations. Frame requests in cost, risk and productivity terms.
- Route everyday IT issues to the help desk, not the CIO.
Related terms
See more in our Job Titles hub.
FAQ
What does a CIO do?
A CIO sets IT strategy, manages technology systems and budgets, leads IT staff and makes sure technology supports the business securely and reliably.
Who does the CIO report to?
Most CIOs report to the CEO. In some companies they report to the COO or CFO.
Is a CIO higher than a CTO?
Neither is automatically higher. Both are usually C-suite roles with different focuses: the CIO on internal systems and the CTO on product technology.
What does CIO mean in finance?
In finance and investing, CIO usually means chief investment officer, the person who leads an organization’s investment strategy.
What skills does a CIO need?
CIOs need technology knowledge, budgeting and vendor management skills, leadership and the ability to explain technology choices in business terms.
