Constellation Software president Mark Leonard resigns for health reasons Constellation president resigns for health reasons Sep 25, 2025 1 hr ago SMS Email A man uses a computer keyboard in Toronto in this Sunday, Oct. 9 photo illustration. THE CANADIAN PRESS/Graeme Roy RJB SMS Email Print Copy article link Save TORONTO - Constellation Software Inc. says founder Mark Leonard has resigned as president of the company for health reasons, effective immediately. The company says Mark Miller, who is currently chief operating officer, has been appointed president. Leonard will remain as a director on the board, while Miller’s other roles within Constellation will remain unchanged.Leonard says he and the board have complete confidence in Miller and the executive team. He added that Miller has been a trusted adviser and a driving force within Constellation's executive leadership team.Leonard founded Constellation in 1995 after working in the venture capital business for 11 years.This report by ºÃÉ«tvwas first published Sept. 25, 2025.Companies in this story: (TSX:CSU) The ºÃÉ«tv Press. All rights reserved. SMS Email Print Copy article link Save Tags Business Hardware Software More Business Stories Ontario allows more density, building height near Toronto transit Meta makes end-to-end encryption a default on Facebook Messenger Trade war would wipe out economic growth while pushing inflation higher: Tiff Macklem +3 Alaska oil project approval adds yet another climate concern Turkey blocks access to Instagram. It's in response to removal of posts on Hamas chief, reports say B.C. cancels $1,000 grocery rebate and pauses some hiring over Trump's tariff threats From cremation to estate planning, here's how to keep the cost of death down +2 Debt limit talks resume at Capitol as Republicans, White House face 'real differences' Spin Master buying ºÃÉ«tv puzzle company 4D Brands International Dismiss Trump taunts, expert says after 'churlish' social media posts about Canada You might be interested in Canada won't split its submarine contract between suppliers: Carney +5 Residents of Dildo, N.L., express support for 'honorary mayor' Jimmy Kimmel Fact File: AI video sparks false rumour of CN Tower fire Navy commander says he wants a 'ºÃÉ«tv from the core' corvette fleet Sponsored Content Events Coming Up in September +5 Credit unions embrace ‘waves of change’ at CCUA’s national conference “We should be the Taylor Swift of financial institutions.†Similar Stories Hudson's Bay gets court permission to auction off its 'retail era' art, artifacts Parliamentary budget watchdog forecasts sharp rise in deficit to $68.5B this year Branch of Montreal light-rail network to open in November, the other delayed to 2026
+5 Credit unions embrace ‘waves of change’ at CCUA’s national conference “We should be the Taylor Swift of financial institutions.â€
