The Rebbe reports mentioning the writer at the Ohel for success in his mission and encourages organizing a farbrengen to strengthen love of Hashem, Torah, and fellow Jews. He emphasizes the principle of sowing spirituality to increase material success and sends greetings to all Jews connected to Torah and mitzvos.
https://www.torahrecordings.com/rebbe/004_igros_kodesh/av/1140