DualEntry authors

Valentyn Yakymenko PhD

Principal Frontend Engineer

Valentyn Yakymenko PhD is a software engineer at DualEntry, where he works on financial reporting systems and core accounting workflows. His focus is on building fast, flexible, and reliable systems where data accuracy and user trust are critical.

Benedict Dohmen

Co-founder, DualEntry

Benedict is the co-founder of DualEntry. He previously co-founded Benitago, a digital consumer products group that raised $380 million in funding, grew to over 300 team members, and achieved $100M in annual revenue before its acquisition in 2024. Benedict has been featured in The Tim Ferriss Show, Forbes, The Wall Street Journal, and more. He graduated with a BA from the University of Cambridge and was raised in Germany.

Santiago Nestares

Co-founder, DualEntry

Santiago is the co-founder of DualEntry. He previously co-founded Benitago, a digital consumer products group that raised $380 million in funding, grew to over 300 team members, and achieved $100M ARR over 8 years before its acquisition in 2024. Santiago has been featured in The Tim Ferriss Show, Forbes, The Wall Street Journal, and more. Originally from Venezuela, Santiago studied Computer Science at Dartmouth before leaving to launch Benitago. At DualEntry, Santiago writes about the future of AI in accounting, ERP modernization, and how finance teams can leverage technology to scale.

Woosung Chun

CFO, DualEntry

Woosung Chun is the CFO of DualEntry with experience in corporate finance, accounting, strategy, and acquisitions. He previously grew from scratch and led the M&A and Finance teams at Benitago, where he completed more than 12 acquisitions in 2 years. He graduated with a BS from NYU Stern. At DualEntry, Woosung writes about AI in accounting, revenue recognition, foreign currency accounting, hedge accounting, and ERP modernization for finance teams navigating complex, multi-entity environments.

Do San (Justin) Myung

Expert Accountant & Former Consulting CFO | DualEntry

Justin (Do San Myung) is Expert Accountant at DualEntry with 20+ years of hands-on experience managing general ledgers, financial close processes, and ERP implementations for mid-market and enterprise companies. As a former Consulting CFO and Controller, he has personally overseen month-end closes, SOX compliance programs, and multi-entity consolidations across technology, manufacturing, and services industries. Justin specializes in transforming manual accounting workflows into automated, AI-driven processes.

Bruno Basic

Growth Operations, DualEntry

Bruno is the Growth Operations Manager at DualEntry with experience in startups, automation, and operational scaling. At Benitago, he grew the product launch team to over 15 members, successfully launching more than 150 products across six international markets. Later, he led the inventory optimization team, improving efficiency through data-driven processes. Bruno holds a master’s degree in Computer Science and Business Organization

George Mastorakis

Founding SEO Lead, DualEntry

George Mastorakis is an SEO strategist with a background in accounting and finance. He earned his Bachelor’s degree in Accounting and Finance from the University of West Attica and began his career working in large organizations, including Panathinaikos FC. While he started in financial operations, his curiosity for systems, data, and performance led him into SEO and digital strategy, where he found the same analytical challenges; just at internet scale. Over the past thirteen years, he has built organic growth systems for SaaS and FinTech startups, specializing in technical SEO, content architecture, and deep understanding of growth systems. At DualEntry, he leads SEO for the world’s first AI-native ERP, helping finance teams discover modern systems that automate reporting, reconciliation, and close.

Cash the Cow

Chief Moolah Officer, DualEntry

Cash is DualEntry’s official mascot and self-appointed CMO (Chief Moolah Officer). With a keen eye for balance sheets and greener pastures, Cash brings financial wisdom and bovine charm to every discussion. Whether it’s managing liquidity or keeping tabs on the latest accounting trends, Cash reminds us all that good finance - like good farming - is about steady growth and sustainable returns.