There are as many explanations of leadership as there are leaders. Each leader has a unique style and technique, dependent character and areas experienced in the leadership role. While the style of leadership differs, there are qualities that all great leaders share. Here are 12 the best leaders of 2018 in the world:

1. Angela Nyambura Gichaga (CEO, Finance Alliance for Health) Gichaga is dealing with a challenging question: How should Africa nations finance health care for the lowest and most distant populations? By training, Gichaga is a doctor, economist, and advisor. At the Finance Alliance for Health, she’s also a bridge-builder, convincing contributors to increase financing for group health while operating with Africa ministries to make the most of those sources. — Phyllis Heydt, Office of the UN Secretary-General’s Special Envoy for Health.

2. Kelly Chibale (Scientist, South Africa) In much of African-American, the features to back up scientific research is sorely lacking. But Chibale is attempting to modify that. The Zambian drug store has designed H3D, Africa’s first incorporated medication finding the middle, at the School of Cape Town. His group now contains more than 90 researchers; they work out of state-of-the-art features thanks to relationships with the Gates Foundation, Novartis, and South Africa’s govt. H3D already has a prospective medication for ¬malaria in individual tests.

3. Moon Jae-in (President, South Korea) Moon took office last May under inauspicious circumstances, and his forerunner was impeached for corruption. Yet Moon quickly introduced changes targeted at making a fairer financial system, such as enhancing the lowest salary, growing protection of health, and dealing with the impact of the country’s chaebol conglomerates. Moon has been critical in organizing speaks between President Donald Trump and North Korea’s Kim Jong-Un, a possible prelude to inter-Korean reconciliation.

4. Kenneth Frazier (CEO, Merck) It’s easy to forget that last August, after President Donald Trump’s tepid reaction to a white- nationalist rally that converted aggressive, the outcry from the business community was not immediate. Frazier took a risk by becoming the first of Trump’s experts to talk out and step down, allowing others to follow. His success at Merck only increases his credibility: Since he took over this year, the pharmaceutical massive has made progress in dealing with several malignancies, while its stock defeats the S&P 500.

5. Dina Meza (Journalist, PEN Honduras) Honduras has a homicide rate that’s six times the global average. Yet threat hasn’t discouraged Meza, founder, and editor of online news site Pasos de Animal Grande, from protecting its criminal activity and crime. The website shone a light on the killing of capitalist Berta Cáceres and offered reliable protection of 2017’s unpredictable elections. Meza also began PEN Honduras, a company that facilitates journalists in danger in a nation where killings of journalists are unfortunately regular.

6. Marry Barra (CEO, General Motors) No lady on world operates a larger organization, in revenue terms than Barra. And in an era in which automobile start-ups catch all the news, 109-year-old GM has quality, effectively been generating crowd-pleasing, mass-market, all-electric vehicles. GM defeat Tesla’s Design 3 to promote with the Chevrolet Bolt EV and has been promoting it continuously since then. Barra has renewed GM’s corporate culture following a scandal such as critical key problems and is rushing into the long run with major products in separate driving.

7. Scott Gottlieb (FDA commissioner) It’s hard to develop a government organization that hits more of our lives, and in more personal ways than the food and Drug Administration. It gets to in through our drug units, controlling everything from our early morning tablets to makeup, and through our kitchen units, guaranteeing the protection of most of what we consume each day, even water in bottles. Its acumen expands from canine to microwaves to vaccinations, pacemakers, and bedpans. And during since he has been FDA commissioner, Scott Gottlieb has shown up to have had a primary hand in all of it.

8. Larry Fink (CEO, BlackRock) As an innovator of the world’s greatest source administrator, supervising $6.28 billion, Fink knows how to put his money where his mouth is. In his yearly missive to CEOs in January, the BlackRock cofounder knew as for each organization to not just execute economically “but also show how it creates a positive participation to the community.” Fink’s require showcases the viewpoint that has lately motivated BlackRock’s strategy, which is that investors will lose eventually if organizations neglect wider social issues today.

9. Gen. Joseph Dunford (Chairman, Joint Chiefs of Staff) President Trump’s national security has sustained uncommonly high turnover, which creates Dunford’s a continual at the Joint Chiefs of Staff all the more important. The profession Underwater formerly provided as a leader of U.S. causes in Afghanistan; that experience makes him an important source for a president desperate to venture durability without entangling U.S. forces too greatly in responsibilities overseas. Dunford has also assisted shape sharp-turn directives from the White House into realistic policy—including, lately, transforming a require to get the army more associated with offering protection on the Mexican border into an ideal implementation of National Guard Troops.

10. Liu He (Vice Premier, China) President Xi Jinping encounters two extremely high-stakes financial challenges: directing the country’s progress from a professional financial system to a person one and preventing a business war with the U.S. He’ll depend intensely on Liu, an acquaintance who features relationships in the worldwide economical group that Xi does not have. Diplomats and investors already see Liu’s impact in the deftly conciliatory terminology China has implemented in latest cost conflicts with the White House.

11. Margarethe Vestager (Commissioner for Competitors, European Union) Vestager didn’t need the benefit of hindsight. Prior to the dislike at Facebook’s Arlington Analytica scandal, and before “fake news” was even a thing, the Danish-born EU commissioner was considerately and assiduously controlling Big Tech. Amazon, Google, and their ilk may be troublesome, they may even be modifying the globe, but Vestager; an iPhone customer who is effective on Twitter has handled the firms as the topic to the same guidelines as any other. She smacked Apple with a $14.5 billion dollars government tax in 2016 after announcing its tax benefits in Ireland illegal, and Tim Cook missing his awesome and known as it “total governmental crap”—and penalized Alphabet $2.7 billion dollars for antitrust offenses in 2017.

12. Nick Saban (Football Coach, University of Alabama) Late on a Monday night in early Jan, the University of Alabama’s quarterback, 19-year-old true newcomer Tua Tagovailoa, threw a game-winning, 41-yard laser beam of a landing successfully passes to give the Crimson Tide a 26–23 success in the college football Playoff. The win provided Al head coach Nick Saban his fifth nationwide headline in nine years at Al. Add a young one he won at LSU in 2003, and his six rising match Alabama legend Paul “Bear” Bryant for the most football tournament by an excellent trainer in the so-called study era, way back to 1936.