Project
Argo Blockchain
Argo Blockchain is a cryptocurrency miner that uses renewable sources of power to support the growth of blockchain technologies.
Description sourced from
- argoblockchain.com
“Argo Blockchain is a world-leading cryptocurrency miner, championing the use of renewable sources of power to support the growth and development of blockchain technologies.”
Named in 8 pieces
Executive Hires
Argo Blockchain Promotes Charlotte Proctor-Worrall to CFO
Argo Blockchain promoted group financial controller Charlotte Proctor-Worrall to chief financial officer on September 22, 2025, in the same filing that said Nasdaq had granted the mining company a reprieve on its listing requirements.
CEO Changes
Argo Blockchain Appoints Justin Nolan Chief Executive Officer
Argo Blockchain named Justin Nolan chief executive officer effective March 22, 2025, bringing back its former chief growth officer as the miner reported a widening quarterly loss.
CEO Changes
Argo Blockchain CEO Thomas Chippas to Step Down
Argo Blockchain announced on January 21, 2025, that Thomas Chippas would step down as chief executive effective February 28, with chief financial officer Jim MacCallum named interim CEO while the board searched for a successor.
Exits and Removals
Argo Blockchain's Seif El-Bakly Steps Down as COO
Argo Blockchain said on January 8, 2024, that Seif El-Bakly left his chief operating officer role effective January 5, ten months after his term as interim CEO ended, with operations reporting to chief strategy officer Sebastien Chalus.
Executive Hires
Argo Blockchain Appoints Jim MacCallum Chief Financial Officer
Argo Blockchain named Jim MacCallum chief financial officer on April 4, 2023, with a start date of April 5, as the miner reported a 10 percent drop in Bitcoin mined during March.
CEO Changes
Argo Blockchain CEO Peter Wall Steps Down
Argo Blockchain announced on February 9, 2023, that Peter Wall was stepping down as chief executive and interim chairman after three years, with chief operating officer Seif El-Bakly named interim CEO.
Board Seats
Sarah Gow Resigns From Argo Blockchain Board
Sarah Gow stepped down from Argo Blockchain's board on Feb. 9, 2023, the same day CEO Peter Wall's resignation became public and eight days after CFO Alex Appleton's, as the Bitcoin miner faced a shareholder lawsuit.
Exits and Removals
Argo Blockchain CFO Alex Appleton Resigns
Alex Appleton resigned as Argo Blockchain's chief financial officer on Feb. 1, 2023, after the Bitcoin miner closed the sale of its Helios mining facility to Galaxy Digital for debt relief.