• Another former Block executive joined crypto payment company MobileCoin
  • An ex-Citi executive was tapped to lead the growth of the Provenance Blockchain

Ledger named Alex Zinder as vice president of Ledger Enterprise Solutions, as the executive will also join the company’s executive committee.

Zinder joined Ledger Enterprise in March 2021 after almost two decades in capital markets technology. He previously worked at Nasdaq in director of global software development and associate vice president of enterprise architecture roles.

Zinder will lead Ledger Enterprise Interact, a newly launched set of solutions allowing clients to manage interactions in smart contract-enabled protocols that support staking, non-fungible tokens (NFTs) and other decentralized finance (DeFi) opportunities.

Compass Mining hired Jodie Fisher as its chief financial officer and Ro Shirole as its chief growth officer as the online marketplace for bitcoin mining hardware, hosting and reselling seeks to streamline its growth.

Fisher has taken companies through seed rounds, private equity financing, exit strategies and initial public offerings during her time as the CFO of several early stage technology companies and a controller at IBM.

Shirole, who was formerly vice president of business development at digital currency infrastructure company Compute North, will focus on expanding Compass’s reach from serving retail clients to also serving funds, family offices and institutional clients.

Crypto payment company MobileCoin added Alan Paulin as its vice president of engineering. Paulin joins from Block (formerly Square), where he was director of engineering. 

Paulin has also worked as a senior development lead at Microsoft, where he helped design Virtual Earth, and later was a senior software engineer at Google.

He becomes the second former Block employee to join MobileCoin, as Bob Lee, who was Block’s chief technology officer from 2010 to 2014 became the crypto business’s chief product officer in December.

The Provenance Blockchain Foundation named former Citi executive Morgan McKenney as its CEO. She will seek to partner with financial institutions, fintechs and developers to drive adoption of the open source, public blockchain, which is designed specifically for the financial services industry.

McKenney most recently served as special adviser at Centre, a consortium to promote the use of fiat-backed stablecoins. She also spent nearly 20 years at Citi in a range of senior executive roles, including chief operating officer for global consumer banking.

Crypto platform Descrypto Holdings, formerly known as W Technologies, hired Creenagh Flynn as its chief marketing officer.

Flynn was most recently a creative director for advisory and international relations firm MidAtlantic Capital Management and the CEO of business development solutions business Crave Genius, according to her LinkedIn page. 

Bitcoin miner TeraWulf appointed Michael Bucella and Kerri Langlais to its board of directors as the company is focused on building a 100% zero-carbon energy grid.

Bucella is a partner and the global head of strategic partnerships and business development at crypto investment firm BlockTower Capital. He previously spent nearly a decade with Goldman Sachs running its multi-asset sales and trading business in Canada.

Langlais is TeraWulf’s chief strategy officer and is responsible for overall corporate strategy, business development, strategic partnerships and growth initiatives.


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  • Ben Strack is a Denver-based reporter covering macro and crypto-native funds, financial advisors, structured products, and the integration of digital assets and decentralized finance (DeFi) into traditional finance. Prior to joining Blockworks, he covered the asset management industry for Fund Intelligence and was a reporter and editor for various local newspapers on Long Island. He graduated from the University of Maryland with a degree in journalism. Contact Ben via email at [email protected]