If you're the owner of a business or someone in a management position, then you know how often employees, colleagues, and partners turn to you when they have questions, concerns, or need advice. Not only that, you're also depended on to make extremely important decisions.

That's why it's important to constantly improve your leadership skills. And what better way to become a better leader than by watching TED lectures from these amazing and brilliant 25 individuals?

1. Drew Dudley: Everyday Leadership

Dudley, leadership development coordinator at the University of Toronto, Scarborough and founder of Nuance Leadership Development Services, believes that leadership should be about the "lollipop moment." In this lighthearted speech, Dudley defines "lollipop moments" as the times when you've made someone else's life better.

2. Itay Talgam: Lead Like the Great Conductors

Israeli conductor and business consultant Itay Talgam highlights six renowned conductors to illustrate why leaders should be like conductors. They are able to bring dozens of various instruments together through passion and respect to create harmony.

3. Fields Wicker-Miurin: Learning From Leadership's Missing Manual

In this powerful speech, Fields Wicker-Miurin--founder of Leader's Quest--reminds us that there is no such thing as a leadership manual. There are, however, stories of remarkable local leaders that we can use as sources of inspiration.

4. Simon Sinek: How Great Leaders Inspire Action

Sinek, author of Start With Why: How Great Leaders Inspire Everyone to Take Action, shares a simple model on how to become an inspirational leader: Start with a circle, and start with "Why?" Sinek uses examples like Dr. Martin Luther King Jr. and Apple to illustrate why this is effective.

5. Margaret Heffernan: Why It's Time to Forget the Pecking Order at Work

Margaret Heffernan is the former CEO of five different businesses. In this unique talk, she argues that organizations need to rethink the "superchicken model," where value is only placed on star players. She reminds us that, "Companies don't have ideas. Only people do."

6. David Logan: Tribal Leadership

David Logan, author and co-founder and senior partner of CultureSync, explains that humans naturally form tribes, whether in school or in the workplace. If you understand these tendencies, you can become a better individual and leader.

7. Nigel Marsh: How to Make Work-Life Balance Work

Nigel March, author of Fit, Fifty, and Fired-Up; Fat, Forty, and Fired; and Overworked and Underlaid, states in this speech that investing in work-life balance isn't as complicated as it appears. It's all about making smaller changes that can have a positive impact on your work, relationships, and even life.

8. Derek Sivers: How to Start a Movement

CD Baby founder Derek Sivers shows some footage of an unsuspecting man dancing by himself in this three-minute speech that proves how leaders can start a movement -- even if it just starts with you dancing like a fool in a public.

9. Amy Cuddy: How Your Body Language Shapes Who You Are

Harvard Business School professor Amy Cuddy explains how our body language doesn't just affect how others see us, it can also change how we view ourselves. "Power posing," standing in a posture of confidence, can make us more successful because it boosts our confidence levels.

10. Tony Robbins: Why We Do What We Do

Tony Robbins, a pioneering life coach, describes the "invisible forces" that motivate all of our actions, so that we can contribute more and understand others better.

11. Stanley McChrystal: Listen, Learn…Then Lead

Four-star general Stanley McChrystal shares some of the most important lessons he learned about leadership during his military career. They include being able to listen to others, so that you can learn and lead a diverse group towards a common goal.

12. Linda Cliatt-Wayman: How to Fix a Broken School? Lead Fearlessly, Love Hard

On her first day as principal of a failing Philadelphia high school, Linda Cliatt-Wayman quickly learned that being a leader is more than just "laying down the law." In this uplifting speech, Cliatt-Wayman presents three principles that helped her turn around her struggling school.

13. Sheryl Sandberg: Why We Have Too Few Women Leaders

Facebook's COO examines why there are so few women in powerful positions and provides three priceless pieces of advice that women need to use when attempting to join the C-suite.

14. Seth Godin: How to Get Your Ideas to Spread

Author, blogger, and marketing guru Seth Godin describes why leaders should stand out, and why even the most off-the-wall ideas can become the most successful ones.

15. Angela Lee Duckworth: The Key to Success? Grit

Angela Lee Duckworth left her consulting job to teach seventh grade at a New York City public school. She discovered that the most successful students have grit, not intelligence. In this speech, Duckworth describes why self-control, perseverance, and interest in long-term goals are so important.

16. Dan Pink: The Puzzle of Motivation

If you've been using the traditional reward systems to motivate team members then you've been doing it all wrong. Career analyst Dan Pink describes what really motivates people, which starts with illuminating stories.

17. John Wooden: The Difference Between Winning and Succeeding

Legendary college basketball coach John Wooden shares the advice and values that he passed onto his players at UCLA. One of the most important lessons he taught is that success is more than just winning.

18. Fred Swaniker: The Leaders Who Ruined Africa, and the Generation Who Can Fix It

Fred Swaniker, a TED Fellow and founder of the African Leadership Network, lived in Ghana, Gambia, Botswana, and Zimbabwe before the age of 18. He noticed that in societies with strong institutions, leaders might not be able to make much of a difference. But in societies with weak institutions, leaders have the power to make or break a country.

19. Roselinde Torres: What It Takes to Be a Great Leader

After spending 25 years observing leaders in action, Roselinde Torres shares the three most important questions that every aspiring leader needs to ask if he or she wants to succeed.

20. Tom Wujec: Build a Tower, Build a Team

Tom Wujec is a Fellow at Autodesk and the author of Five-Star Mind: Games and Puzzles to Stimulate Your Creativity and Imagination. In this talk, Wujec presents the "marshmallow challenge." This team-building exercise challenges groups to compete to build the tallest freestanding structure, using only dry spaghetti, one yard of tape, and a marshmallow. He believes this game can generate fresh ideas and build rapport.

This is what inspired my article "12 Tips on How to Be a Better Leader." One of the most important aspects of being a successful leader is having an amazing team.

21. Shawn Achor: The Happy Secret to Better Work

Psychologist and CEO of Good Think Inc. Shawn Achor explains why it's backwards for us to spend our lives working in order to be happy. Instead, we should be happy first, which in turn will increase productivity and make us more successful.

22. Nancy Duarte: The Secret Structure of Great Talks

Want to make your speech more inspiring and motivational? Then watch this speech from CEO and author of Slide:ology: The Art and Science of Creating Great Presentations that describes how your speeches can have a greater impact.

23. Nilofer Merchant: Got a Meeting? Take a Walk

One day, business innovator Nilofer Merchant didn't have time for a meeting. Instead, she met with this individual while she walked her dog, which changed her life. In this talk, Merchant explains how out-of-the box ideas can be beneficial in your life.

24. Richard St. John: 8 Secrets of Success

Marketer, analyst, and author of the bestselling book 8 to Be Great condenses a two-hour speech into a three and half-minute talk that quickly unveils the real secrets to success.

25. Yves Morieux: As Work Gets More Complex, 6 Rules to Simplify

Yves Morieux is a senior partner at BCG. In this speech, he explains why so many people are unhappy and disengaged in the workplace. To change that, Yves presents six simple rules that leaders should use to increase engagement.