Sam Callahan
Director of Bitcoin Strategy & Research at OranjeBTC · Adviser at MARA
Sam Callahan is the Director of Bitcoin Strategy and Research at OranjeBTC and a member of the advisory boards for MARA, Cantilever, and Acropolis. He previously worked as a Senior Analyst at Swan.
Current Roles
Past Roles
News Mentions
Trump’s latest disclosure shows Coinbase, Strategy, MARA purchases in Q1
ANTPOOL, Block Inc, F2Pool, Foundry, Spiderpool, MARA Foundation & DMND Join Stratum v2 Working Group
Data: MARA deposited 519.46 BTC to FalconX, worth 48.3 million USD
Bitcoin Mining Giant MARA Rockets Past Analyst Forecasts in Q2 2025
Ark Invest Takes Swipe At MSTR, MARA, Says 'Bitcoin Treasury Companies Don't Make Sense:' 'Funding Purchases With Debt...Seems Like A Recipe For Disaster'
Bitcoin Miners WULF and MARA Trade at 4× Revenue Premiums, IREN Lags
SWAN ICO Set to Launch Today: Anticipation Soars for MiCA-Compliant Meme Coin
MARA Lends Bitcoin to Generate Yield, Expands Holdings
MARA CEO Advocates “Invest And Forget” Approach To Bitcoin, Citing Strong Historical Performance
SWAN: Introducing a Regulated Memecoin to the Crypto Landscape