Bitcoin & Mining
Markets & VenuesExecutive Hires
Core Scientific Names Jay Elms Chief Commercial Officer
Core Scientific hired Jay Elms away from CyrusOne as chief commercial officer on September 25, 2026, to run customer relationships as the bitcoin miner builds out AI data centers.
Markets & VenuesBoard Seats
Barbara Humpton Steps Down From MARA Holdings Board
MARA Holdings announced on August 4, 2026, that Barbara Humpton had left its board effective July 31, in a planned transition the Bitcoin miner disclosed alongside two new independent directors.
Markets & VenuesBoard Seats
Georges Antoun Steps Down From MARA Holdings Board
MARA Holdings announced on August 4, 2026, that Georges Antoun had left its board effective July 31, the same day as fellow director Barbara Humpton, in what the Bitcoin miner called a planned transition.
Markets & VenuesBoard Seats
MARA Adds Craig Hart and Nancy Novak to Its Board
MARA Holdings named energy investor Craig Hart and data center veteran Nancy Novak as independent directors on Aug. 4, 2026, after two sitting directors stepped down the week before.
Markets & VenuesBoard Seats
MARA Holdings Appoints Nancy Novak to Its Board
MARA Holdings named data center veteran Nancy Novak an independent director effective August 1, 2026, as the Bitcoin miner builds out its energy and infrastructure strategy.
Markets & VenuesExits and Removals
American Bitcoin President Matt Prusak Departs for Giga Energy
American Bitcoin disclosed in a filing on Aug. 3, 2026, that Matt Prusak would step down as president and interim chief financial officer the next day to become Giga Energy's chief business officer.
Markets & VenuesBoard Seats
Core Scientific Appoints Mark Adams to Its Board
Core Scientific named Mark Adams a director on July 29, 2026, expanding its board to seven seats with a technology executive who spent six years running Penguin Solutions.
Markets & VenuesExecutive Hires
Keel Infrastructure Names Ganesh Aiyer President
Keel Infrastructure, the company built from Bitfarms' Bitcoin mining sites, named former Digital Realty Trust executive Ganesh Aiyer president on July 6, 2026, to run its commercial pipeline.
Markets & VenuesBoard Seats
Hut 8 Names E. Stanley O'Neal Board Chair
Hut 8 named E. Stanley O'Neal chair of its board on June 11, 2026, succeeding founding chair William Tai, who had held the role since November 2023.
Markets & VenuesExecutive Hires
Bitdeer Names Michael Potter Chief Financial Officer
Bitdeer's board approved Michael Potter as chief financial officer effective May 26, 2026, succeeding Jianchun Liu, ten weeks before the Singapore-based Bitcoin miner announced a $4.7 billion AI colocation lease.
Markets & VenuesExits and Removals
Riot Platforms' Colin Yee to Step Down as CFO
Riot Platforms announced on January 2, 2026, that Jason Chung would replace Colin Yee as chief financial officer effective March 1, 2026, as the bitcoin miner leans further into AI data centers.
Markets & VenuesExecutive Hires
Riot Platforms Names Jason Chung Chief Financial Officer
Riot Platforms promoted corporate development chief Jason Chung to chief financial officer effective March 1, 2026, succeeding Colin Yee as the miner pivots toward data centers.
Markets & VenuesExecutive Hires
Bitfarms Names Jonathan Mir Chief Financial Officer
Bitfarms named Jonathan Mir chief financial officer on October 14, 2025, succeeding Jeff Lucas as the Nasdaq-listed miner builds data centers for high-performance computing in Pennsylvania, Quebec and Central Washington.
Markets & VenuesExecutive Hires
Cipher Mining Names Gregory Mumford Chief Financial Officer
Cipher Mining Inc. named Gregory Mumford, a Keefe, Bruyette & Woods digital assets banker, as its second chief financial officer in a release dated October 6, 2025.
Markets & VenuesExits and Removals
Cipher Mining's Edward Farrell Retires as Chief Financial Officer
Cipher Mining Inc. announced on October 6, 2025, that Edward Farrell, its first chief financial officer, would retire effective October 14, 2025, and move into a senior advisor role.
Markets & VenuesExecutive 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.
Markets & VenuesExecutive Hires
Strive Names Jeff Walton Chief Risk Officer
Strive named True North founder Jeff Walton its chief risk officer on September 16, 2025, the same day it acquired his Bitcoin media platform in a de minimis cash deal.
Markets & VenuesExecutive Hires
Thesis* Names Victoria Chan Chief Operating Officer
Thesis* announced on September 16, 2025, that it had hired former Coinbase and Google executive Victoria Chan as chief operating officer to run day-to-day operations across its Bitcoin product lineup.
Markets & VenuesExecutive Hires
IREN Names Anthony Lewis Chief Financial Officer
IREN promoted Anthony Lewis to chief financial officer on September 8, 2025, two months after he joined as chief capital officer, succeeding Belinda Nucifora after her 3.5 years in the role.
Markets & VenuesExits and Removals
IREN's Belinda Nucifora Departs as Chief Financial Officer
Belinda Nucifora left as IREN's chief financial officer on September 8, 2025, after 3.5 years in the role, and the company credited her with its transition to U.S. GAAP reporting.
Markets & VenuesCEO Changes
CleanSpark Names Matt Schultz CEO a Second Time
CleanSpark's board returned co-founder Matt Schultz to the chief executive seat on August 11, 2025, nearly six years after he first handed the title to Zachary Bradford.
Markets & VenuesCEO Changes
CleanSpark's Zachary Bradford Resigns as Chief Executive
Zachary Bradford resigned as CleanSpark's officer and director on August 11, 2025, ending nearly six years as chief executive of the Nasdaq-listed bitcoin miner.
Markets & VenuesExecutive Hires
Riot Platforms Hires Jonathan Gibbs as Data Center Chief
Riot Platforms hired Jonathan Gibbs as its first Chief Data Center Officer on June 2, 2025, to lead a new data center platform beyond its Bitcoin mining business.
Markets & VenuesBoard Seats
Core Scientific Appoints Elizabeth Crain to Its Board
Core Scientific named Moelis & Company co-founder Elizabeth Crain to its board of directors on May 16, 2025, putting her in the chair of its audit committee.
Markets & VenuesBoard Seats
Jarrod Patten Leaves Core Scientific's Board
Jarrod Patten gave up the chairman's seat on Core Scientific's board on May 16, 2025, after skipping reelection at the company's annual meeting.
Markets & VenuesBoard Seats
Core Scientific Board Member Todd Becker Steps Down
Todd Becker left Core Scientific's board of directors effective immediately on May 13, 2025, ending a term in which he chaired the audit committee through two capital raises.
Markets & VenuesCEO Changes
Strive Names Matt Cole CEO and Chairman
Strive Asset Management named former $70 billion bond manager Matt Cole CEO and chairman on May 7, 2025, as part of a reverse merger that turned Asset Entities into a publicly traded Bitcoin treasury company.
Markets & VenuesCEO 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.
Markets & VenuesExecutive Hires
Core Scientific Names Jim Nygaard Chief Financial Officer
Core Scientific named Jim Nygaard chief financial officer on March 3, 2025, succeeding Denise Sterling, who had guided the Bitcoin miner through its 2022 Chapter 11 bankruptcy.
Markets & VenuesBoard Seats
Riot Platforms Director Hannah Cho Retires From Its Board
Riot Platforms director Hannah Cho retired from its board on Feb. 12, 2025, the same filing in which the Bitcoin miner added three directors with data center and real estate backgrounds.
Markets & VenuesBoard Seats
Riot Platforms Director Hubert Marleau Retires From Its Board
Riot Platforms director Hubert Marleau retired from its board on Feb. 12, 2025, as two activist investors pushed the Bitcoin miner to pursue AI and high-performance computing deals.
Markets & VenuesBoard Seats
Riot Platforms Names Doug Mouton to Its Board
Riot Platforms appointed former Meta and Microsoft data center executive Doug Mouton to its board of directors on Feb. 12, 2025, as part of a pivot toward AI and high-performance computing.
Markets & VenuesBoard Seats
Riot Platforms Names Jaime Leverton to Its Board
Riot Platforms appointed former Hut 8 chief executive Jaime Leverton to its board of directors on Feb. 12, 2025, alongside two other new directors, as part of its pivot toward AI and high-performance computing.
Markets & VenuesBoard Seats
Riot Platforms Names Michael Turner to Its Board
Riot Platforms appointed former Oxford Properties Group president Michael Turner to its board of directors on Feb. 12, 2025, as it lined up advisers for a shift toward AI and high-performance computing.
Markets & VenuesCEO 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.
Markets & VenuesExits and Removals
Core Scientific CFO Denise Sterling to Step Down
Core Scientific announced on Sept. 6, 2024, that chief financial officer Denise Sterling would step down effective May 1, 2025, after leading the company's finances through its bankruptcy exit.
Markets & VenuesBoard Seats
Bitfarms Adds CEO Ben Gagnon to Its Board
Bitfarms put chief executive Ben Gagnon on its board of directors on August 13, 2024, the same day chairman Nicolas Bonta stepped down in the middle of Riot Platforms' hostile takeover push.
Markets & VenuesBoard Seats
Bitfarms Founder Nicolas Bonta Steps Down From the Board
Bitfarms founder and chairman Nicolas Bonta stepped down from the company's board on August 13, 2024, as Riot Platforms pressed a hostile bid to replace its directors.
Markets & VenuesExecutive Hires
Bitfarms Names Liam Wilson Chief Operating Officer
Bitfarms hired Liam Wilson as chief operating officer on August 13, 2024, effective August 26, after six months of consulting for the Bitcoin miner.
Markets & VenuesCEO Changes
Bitfarms Appoints Ben Gagnon Chief Executive
Bitfarms promoted chief mining officer Ben Gagnon to chief executive on July 8, 2024, in the middle of Riot Platforms' attempt to take the bitcoin miner over.
Markets & VenuesCEO Changes
Bitfarms Fires CEO Geoffrey Morphy After He Sues the Company
Bitfarms fired President and CEO Geoffrey Morphy effective immediately on May 13, 2024, three days after he filed a $27 million breach-of-contract lawsuit against the company.
Markets & VenuesCEO Changes
Hut 8 Appoints Asher Genoot Chief Executive
Hut 8 named president Asher Genoot chief executive on February 7, 2024, effective immediately, replacing Jaime Leverton three months after he joined the board through a merger with his own mining company.
Markets & VenuesCEO Changes
Jaime Leverton Departs as Hut 8 Chief Executive
Hut 8 said on February 7, 2024, that Jaime Leverton had departed as chief executive after three years in the job, with president Asher Genoot taking over effective immediately, weeks after a short-seller report targeted the miner.
Markets & VenuesExits 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.
Markets & VenuesCEO Changes
Core Scientific Names Adam Sullivan Chief Executive
Core Scientific promoted President Adam Sullivan to chief executive officer on August 4, 2023, while the bitcoin miner worked through Chapter 11 bankruptcy proceedings.
Markets & VenuesExecutive 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.
Markets & VenuesExecutive Hires
Cipher Mining Promotes William Iwaschuk to Co-President
Cipher Mining Inc. promoted chief legal officer William Iwaschuk to co-president alongside Patrick Kelly on March 20, 2023, while keeping both men in their existing executive roles.
Markets & VenuesCEO 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.
Markets & VenuesBoard 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.
Markets & VenuesExits 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.
Markets & VenuesCEO Changes
Frank Holmes Hands HIVE's CEO Role to Aydin Kilic
HIVE Blockchain Technologies named Aydin Kilic president and chief executive on January 17, 2023, ending Frank Holmes's run as interim CEO and moving him to executive chairman.
Markets & VenuesCEO Changes
HIVE Digital Technologies Names Aydin Kilic Chief Executive
HIVE Blockchain's board appointed Aydin Kilic president and chief executive on January 17, 2023, promoting him from the chief operating officer role he had held since 2021.
Markets & VenuesCEO Changes
Bitfarms Co-Founder Emiliano Grodzki Resigns as CEO
Emiliano Grodzki resigned as Bitfarms' chief executive effective immediately on December 29, 2022, staying on as a director while the board promoted COO Geoffrey Morphy in his place.
Markets & VenuesCEO Changes
Bitfarms Promotes Geoffrey Morphy to Chief Executive
Bitfarms elevated President and COO Geoffrey Morphy to president and CEO on December 29, 2022, replacing co-founder Emiliano Grodzki after more than two years building out the company's operations.
Markets & VenuesCEO Changes
Michael Saylor Moves From MicroStrategy CEO to Executive Chairman
MicroStrategy split its chairman and chief executive roles on Aug. 2, 2022, naming Michael Saylor executive chairman and promoting President Phong Le to chief executive.
Markets & VenuesCEO Changes
MicroStrategy Names Phong Le Chief Executive Officer
MicroStrategy split its chairman and CEO roles on Aug. 2, 2022, naming President Phong Le as chief executive while founder Michael Saylor became executive chairman, the same day the company disclosed a $917.8 million bitcoin impairment.
Markets & VenuesExecutive Hires
Hut 8 Mining Names Aniss Amdiss Chief Legal Officer
Hut 8 Mining Corp. named Aniss Amdiss chief legal officer on June 21, 2022, effective July 11, 2022, reporting to chief executive officer Jaime Leverton.
Markets & VenuesExecutive Hires
Compute North Names Satyen Yadav Chief Technology Officer
Compute North named Satyen Yadav chief technology officer on June 6, 2022, and the bitcoin mining host filed for Chapter 11 bankruptcy 108 days later, on September 22, 2022.
Markets & VenuesExits and Removals
Riot's Jeff McGonegal Retires as Chief Financial Officer
Jeff McGonegal, Riot Blockchain's chief financial officer, announced his retirement on June 1, 2022, after twenty years with the company, with Colin Yee set to succeed him on Aug. 15, 2022.
Markets & VenuesExecutive Hires
TeraWulf Names Patrick Fleury Chief Financial Officer
TeraWulf appointed Patrick Fleury chief financial officer on May 16, 2022, a hire CFO Dive detailed two years later as he steered the bitcoin miner out of a debt crunch and into AI-driven data centers.
Markets & VenuesExecutive Hires
MicroStrategy Names Andrew Kang Chief Financial Officer
MicroStrategy named Andrew Kang its new chief financial officer on May 3, 2022, pulling him from the same post at Greensky, and shifted then-CFO Phong Le into the company presidency once Kang started that May 9.
Markets & VenuesBoard Seats
Bit Digital Appoints Brock Pierce to Board of Directors
Bit Digital named Bitcoin Foundation chairman Brock Pierce to its board on Sept. 28, 2021, effective Oct. 31, 2021, and shareholders reelected him nearly five years later.
Markets & VenuesExecutive Hires
Canaan Names James Jin Cheng Chief Financial Officer
Canaan appointed James Jin Cheng chief financial officer effective immediately on Aug. 2, 2021, filling a seat its previous finance chief had vacated in February.
Markets & VenuesExecutive Hires
Cipher Mining Names William Iwaschuk Chief Legal Officer
Cipher Mining Technologies announced on March 18, 2021, that it had hired William Iwaschuk, who spent more than seven years at Tower Research Capital, as chief legal officer ahead of its Nasdaq listing.
Markets & VenuesExits and Removals
Canaan CFO Quanfu Hong Resigns, Cites Personal Reasons
Canaan Inc. announced on February 9, 2021, that Chief Financial Officer Quanfu Hong had resigned for personal reasons, with Tong He stepping in as acting CFO the same day.
Markets & VenuesCEO Changes
Riot Blockchain Names Board Member Jason Les Chief Executive
Riot Blockchain's board elevated director Jason Les to chief executive on Feb. 8, 2021, and returned Jeff McGonegal to the finance post he held from 2003 to 2019.
Markets & VenuesExecutive Hires
Hut 8 Names Tanya Woods General Counsel
Hut 8 appointed Tanya Woods as general counsel and executive vice president of regulatory affairs on January 26, 2021, effective February 1, reporting to newly named chief executive Jaime Leverton.
Markets & VenuesCEO Changes
Hut 8 Appoints Jaime Leverton Chief Executive
Hut 8 named technology executive Jaime Leverton as chief executive on November 2, 2020, effective December 1, ending a search that began when co-founder Andrew Kiguel stepped down in April 2020.
Markets & VenuesBoard Seats
Canaan Names Wenjun Zhang Independent Director
Wenjun Zhang and three other new independent directors joined Canaan Inc.'s board effective August 1, 2020, The Block reported on August 3, a day before Canaan's own release, replacing three directors whose terms had expired.
Markets & VenuesBitcoin & Mining
Alex Gladstein Turns Human Rights Money Into Bitcoin Code
HRF's Bitcoin Development Fund began with a gift of close to $50,000 in June 2020 and counted 383 projects in 70 countries by August 2026.
Markets & VenuesCEO Changes
Andrew Kiguel Steps Down as Hut 8 CEO
Hut 8 co-founder Andrew Kiguel said on January 28, 2020, that he would step down as chief executive once the board found a successor, the same day the miner renegotiated its debt with Bitfury.
Markets & VenuesCEO Changes
CleanSpark Names Zach Bradford Chief Executive Officer
CleanSpark's move of Zach Bradford from president and chief financial officer into the chief executive seat became public on October 9, 2019, in a summary of its filing, as founder Matthew Schultz stepped back to chairman of the board.
Markets & VenuesCEO Changes
Matthew Schultz Steps Down as CleanSpark Chief Executive
CleanSpark co-founder Matthew Schultz's move from chief executive to chairman of the board became public on October 9, 2019, handing the CEO title to president and finance chief Zach Bradford.
Markets & VenuesBitcoin & Mining
Michel Rauchs Helps Count Bitcoin's Watts, and Cambridge Recounts Them
Michel Rauchs co-designed Cambridge's Bitcoin electricity index, launched July 2, 2019, and a 2023 revision cut its 2021 estimate from 104.9 to 89.0 terawatt-hours.
Markets & VenuesBitcoin & Mining
Pieter Wuille Splits the Signature, and Bitcoin Splits Too
Pieter Wuille proposed segregated witness in Hong Kong in December 2015, and 97.5 percent of Bitcoin transactions spent SegWit in September 2026.
Markets & VenuesBitcoin & Mining
Joseph Poon and Thaddeus Dryja Bolt a Network Onto Bitcoin
Joseph Poon and Thaddeus Dryja posted the Lightning Network paper in February 2015, and public channels fell from 81,755 to 32,518 between 2022 and 2026.
Markets & VenuesBitcoin & Mining
Wladimir van der Laan Merges Bitcoin Core, Then Hands Off
Wladimir van der Laan maintained Bitcoin Core from April 2014, made about 24 percent of its merges in 2020, and stepped back in January 2021.
Markets & VenuesBitcoin & Mining
Slush Pools Bitcoin's Miners, and Pools Win Nearly Every Block
Marek Palatinus proposed pooled mining on November 27, 2010, and mempool.space now lists just 290 of the past year's 52,381 blocks as Unknown.
