6 years post-med school. Completed Core Medical Training in the UK. Currently on a break from work in the UK and working for MSF in a refugee camp in Ethiopia. Hobbies include meditation, reading and cycling!
William Macaskill's book Doing Good Better
Good profession to help others, secure and many opportunities for growth and travel.
Consider spending some time working/volunteering in a low-resource setting. Even if it may not be your ultimate career path, you'll probably learn something very valuable.
Try to choose something that will help maintain your desire to help others. Some environments are more or less conducive to this. Seek out other people who also look beyond their own circumstance.
A growing community. Discussion on how to change the culture of giving. Ideas and plans that people can follow to start the conversation within their own sphere of influence.