Blockchain Coinvestors AngelList Syndicate

Ariel Barack is a private-markets investor and operator with over 20 years of experience working with entrepreneurial families and alternative investment managers. Most recently, he served as Senior Partner at Ordway Selections, the private investment office of the 3M family, where he led manager selection and direct investing across food and agriculture, life sciences, and blockchain sectors, managing six fund commitments and five direct investments while mobilizing over CHF 100 million in co-investor capital. His background includes roles in private-markets advisory, corporate development, family office management in Moscow, and business development at Page Group and Philip Morris International.

Matthew Le Merle is Managing Partner and CEO of Fifth Era and Blockchain Coinvestors. His career has included work as a strategy advisor, professional services firm leader, corporate executive, and private equity and venture capital investor, with Chairman and Non-Executive Director roles across 15 public and private companies. Earlier he spent 21 years advising Fortune 500 leadership at McKinsey & Company, A.T. Kearney, Monitor Group, and Booz & Company, and served as an SVP at Gap Inc.; he holds degrees from Christ Church, Oxford and an MBA from Stanford Graduate School of Business.

Christopher Nelson serves as Chief Financial Officer of Fifth Era Acquisition Corp I (NASDAQ: FERA), a special purpose acquisition company that completed its initial public offering in March 2025 and raised approximately $230 million. FERA is pursuing a business combination with Miotal, a strategic metals platform focused on high-purity rare earths and critical materials, which is expected to create a publicly traded rare earths and critical minerals company upon closing.