Rav Aharon Leib Shteinman (1912 - present) is widely regarded as the Gadol Hador among Litvishe Jews. Rav Shteinman is the Rosh Yeshiva of the Ponevezh yeshiva, and lives in Bnei Brak, Israel. Despite his age and frailty, he makes himself available to the myriads of petitioners from around the world who seek his council and blessings. In addition, in recent years, Rav Shteinman has undertaken to travel around the globe where he has been meeting and addressing thousands of Jews, leaders and plain folk, to offer sage advice, counsel and blessings, as well as offering words of religious inspiration for the strengthening of Torah and Mitzvos.
You may be interested in this picture of Rav Shteinman: