Winston Churchill (Left) and Warren Buffet (Right) Churchill: Carl Mydans—The Life Picture Collection/Getty Images; Buffett: Lucas Jackson—Reuters

The results of the 2015 Fortune 500 CEO survey are in…

Jun 04, 2015

What are your company’s biggest challenges?*

1. The rapid pace of technological innovation 72%
2. Cyber security 66%
3. Increased regulation 61%
4. Shortage of skilled labor 34%
5. Management diversity 25%
6. Competition from a start-up 20%
7. Shareholder activism 20%
8. Competition from China/developing countries 4%

*Percent who answered either “single biggest challenge” or “one of our top three or four challenges."

Who is your company’s most dangerous competitor?

1. Another Fortune 500 company 57%
2. A smaller established company 24%
3. An overseas competitor 16%
4. A recent startup 2%

Winston Churchill (Left) and Warren Buffet (Right)
Winston Churchill (Left) and Warren Buffet (Right)Churchill: Carl Mydans—The Life Picture Collection/Getty Images; Buffett: Lucas Jackson—Reuters

CEOs on Leadership

•  94% of respondents agree with the statement “My company will change more in the next five years than it has in the last five years.”

•  84% agree with the statement “It would be easier to manage my company if it were a private company.

•  67% say a public company has equal responsibility to customers, shareholders, employees, and the broader community.

•  51% think it’s important to take a stand on some public issues.

•  82% plan to employ more people two years from now.

•  75% of CEOs believe CEOs are paid appropriately.

•  76% of respondents think society will benefit “if employees take responsibility for their own health care and retirement.”

•  80% of CEOs say they directly answer all or most of their email.

•  The average CEO has between four and 12 direct reports.

•  More than 60% of respondents believe that optimal tenure atop a Fortune 500 company is five to 10 years.

Courtesy of Harper Collins Publishers

Favorite Books of CEOs

Favorite book: Good to Great by Jim Collins
Runner up: Outliers by Malcolm Gladwell

Ullstein Bild—Getty Images

Leader most respected by CEOs

Winner: Ronald Reagan
Runners up: Winston Churchill and Warren Buffett (tie)

Tim Cook (Left) and Jamie Dimon
Tim Cook (Left) and Jamie DimonCook: Stephen Lam/Getty Images; Dimon: Gary Cameron—Reuters

Most Admired CEOs (excluding themselves)

Winners: Tim Cook and Jamie Dimon (tie)

A shorter version of this article appears in the June 15, 2015 issue of Fortune with the headline 'Fortune 500 CEO Survey.'

All products and services featured are based solely on editorial selection. FORTUNE may receive compensation for some links to products and services on this website.

Quotes delayed at least 15 minutes. Market data provided by Interactive Data. ETF and Mutual Fund data provided by Morningstar, Inc. Dow Jones Terms & Conditions: S&P Index data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Terms & Conditions. Powered and implemented by Interactive Data Managed Solutions