39个旅行小贴士，让您的旅行更加愉快 - 一小时课程

More than 1.8 million Udemy students have enrolled in TJ Walker's Classes! TJ has created numerous Udemy best-selling courses in the fields of personal development, public speaking, presentation skills, media training and communication skills. Feel free to contact him on LinkedIn for more information on in-person training workshops, seminars, and keynote speeches on habits and all personal development subjects in which he teaches online courses. Walker is the founder of Media Training Worldwide and has been conducting public speaking training workshops and seminars since 1984. Walker has trained Presidents of countries, Prime Ministers, Nobel Peace Prize winners, Super Bowl winners, US Senators, Miss Universes and Members of Parliament. He has conducted presentation and media training workshops on six continents in more than two dozen countries.