Being technically excellent in your chosen field does not automatically transfer into being an excellent manager of people.
In fact, most technically gifted people struggle with the personal relationships which an effective manager must have.
Do not fear, all is not lost - there are ways and means of enhancing your skills without getting too bogged down in courses, training days and hours of endless reading. This article is probably a good starting point if you want to hone your skills as a manager and in turn boost your team's productivity.
Set the example The first step is to get your own house in order (if it’s not already) and exhibit good time management practices yourself, says Saunders. Be smart about how you allocate the hours of your own workday—the meetings you attend, the emails you respond to, and the projects you sign on for—so your team can follow your lead. “If you’re stretched and overloaded, you can’t think strategically about your own time let alone anyone else’s,” she says. Adds Cohen: “Model the behavior” and show them that you make time for work that matters.