Can you name some powerful spiritual yogis/enlightened souls alive in the world right now?

There are many enlightened souls who are not in the limelight and just go about their lives living in peace and fulfillment. But here are two gurus, one a man and one a woman, who have gone beyond personal enlightenment, into humanitarian activities:
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• Sri Sri Ravi Shankar: He created courses that provide techniques and tools to live a deeper, more joyous life. He also has established nonprofit organizations that recognize a common human identity above the boundaries of race, nationality, and religion.
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• Amma: She has said, “A continuous stream of love flows from me to all of creation. This is my inborn nature. The duty of a doctor is to treat patients. In the same way, my duty is to console those who are suffering.” She has founded many global charities to feed hungry children and nurture abused social cast-offs.

Both of these gurus have a huge following, and rightly so. For they are a force of good on this planet right now and are moving it to the next level of consciousness.