 PHOENIX, May 28, 2021 PRNewswire - 4Front Ventures Corp. CSE: FFNT OTCQX: FFNTF 4Front or the Company, a vertically integrated, multi-state cannabis operator and retailer, today announced its executive team will participate in two upcoming conferences: Piper Sandler 41st Annual Consumer Marketplace Conference is being held June 3-4, 2021. Management will host small group and one-on-one investor meetings throughout the conference. 