Having the right boss can make all the difference to how much you enjoy your job.
While you may not get much - or indeed any - contact with your CEO on a daily basis, it's he or she that sets the tone for the company and determines whether it's a prison or a fun place to work.
Jobs website Glassdoor has carried out a survey of its users to discover the highest-rated bosses in the UK: we take a look at what's got them on the list.
1. Larry Page, Google: 99% approval
He may be a billionaire, but Larry Page, 42, is a familiar figure at Google's California headquarters, where he mingles with staff and eats at the company cafeteria. He has a reputation for attracting the best talent and then giving people their head: famously, the company operates a '20 percent time' policy, allowing staff to work on their own pet projects for one day a week.
Sample opinion: "Overall, I admire Google's senior management, I think they're smart, they try to do the right thing and more than at any other company I've worked for they put the company's interests first."
2. Ken Chenault, American Express: 98% approval
Ken Chenault has worked at American Express since 1981 and became CEO 20 years later. He has a reputation for attracting the best talent - and rewarding it.
3. David Dyson, Three UK: 97% approval
David Dyson joined Three UK in 2006 as chief financial officer and became chief executive in 2011. He's seen has having set up a very non-hierarchical structure with a friendly atmosphere.
Sample opinion: "Management communication is amazing, with regular monthly presentations from the CEO to all staff members, which is the best communication I have ever received from management."
4. Martin Bennett, HomeServe: 97% approval
Martin Bennett was appointed as chief executive officer of the UK boiler repair business in January 2014, after two years as group chief operating officer and three as group chief financial officer. He's credited with keeping the workforce engaged through regular communication with all employees.
Sample opinion: "The management team are passionate and inspiring, constantly communicating with the company to keep everyone up to date with the current events. New opportunities, events and initiatives keep us all motivated and happy with our jobs."
5. easyJet – Carolyn McCall: 96% approval
The only woman on the list, Carolyn McCall has seen the company's share price triple since she joined the low-cost airline as chief executive in July 2010.
Sample opinion: "The management team are approachable, and at easyJet there is an open philosophy and no blame culture which encourages feedback and ultimately makes for a safer environment to work."
6. Frank D'Souza, Cognizant: 96% approval
Frank D'Souza became head of software firm Cognizant in 2007, and has won several awards for his leadership since. He's considered to have fostered an open, inclusive atmosphere.
Sample opinion: "Because the company is young there is plenty of opportunity to contribute ideas, influence change etc. They are very forward thinking."
7. Robert Moritz, PWC: 94% approval
US-based Robert Moritz joined the firm in 1985, and wrote recently about the culture he's trying to foster. He's a great believer that happier employees deliver better service, leading to happier clients.
Sample opinion: "Kudos for effort put into reaching out to grassroots and encouraging open communication by explaining reasoning behind actions and direction taken."
8. Pierre Nanterme, Accenture: 94% approval
Pierre Nanterme joined management consultancy Accenture as a junior consultant 32 years ago. He's big on diversity, and has said that one of his most important tasks is to make Accenture's top leadership more representative of the firm's global workforce.
Sample opinion: "Very good people to work with - senior leaders that will sit and work by your side till midnight if necessary."
9. Jamie Dimon, JP Morgan: 93% approval
Known as the "King of Wall Street, chief executive Jamie Dimon became CEO of Chicago-based Bank One in 2000 and later sold it to JP Morgan. While he has been seen as arrogant in his dealings with shareholders, he's seen as likeable by staff.
Sample opinion: "Focus on developing employees permeates the firm. Excellent online and offline training programmes and events are available all year round. People are generally very helpful and keen to share their know-how."
10. Colin Temple, Schuh Limited: 92% approval
Colin Temple, managing director of footwear retailer Schuh, gets into work at 5.30 every morning and makes a point of chatting to his staff whenever possible. Schuh has an unusually young management team, and there are good opportunities for promotion.
Sample opinion: "All the managers I encountered were very personable people and easy going, but they were all very well trained and knew how to manage people well. The managers, area managers and regional managers were all very passionate about high standards of customer services, which inspires you to give it."
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