Our Team

Sam is a Chartered Accountant (ICAEW) and finance leader with over 15 years’ experience across audit, controllership and financial planning. He spent six years at Deloitte as a Manager in Large and Complex Audit, leading international teams of more than 20 on audits of publicly listed companies in sectors from media to oil and gas, and guiding clients through the adoption of IFRS 9, 15 and 16. He is now Operations Controller at Sony Electronics, where he provides performance insight on a €450 million European budget and led the implementation of Workday’s budgeting and forecasting systems. Sam is a co-founder of Big Smoke Chronicle, where he brings a senior finance perspective to conversations on finance, fintech and entrepreneurship. He holds an Economics degree from Queen Mary University of London and is interested in how technology, culture and leadership shape modern business in London and beyond.

Sam Karimi

Co- Founder / Relationship Manager

Co- Founder/ Director

Ardavan Ghaedi

Mahan Hosseini

Host/ Content Lead

Mahan is a biomedical scientist and founder whose work sits where healthcare, technology and business meet. After graduating in Biomedical Science from the University of Westminster, she worked across NHS services, before joining Oracle Health (Cerner) as an Associate Consultant, helping healthcare clients redesign clinical workflows and implement new systems. She went on to pursue a master’s in Global Public Health at the University of Greenwich, and is now completing a Master of Midwifery at the University of West London while training as a student midwife at Chelsea and Westminster Hospital Trust. She is also the founder of HERAURA, a women’s health initiative that connects scientific evidence, lived experience and healthcare policy through education, research and advocacy in English and Persian. At Big Smoke Chronicle, she hosts conversations and shapes the platform’s content, using storytelling to make complex careers easier to follow. Her interests include maternal and reproductive health, health tech, and building fairer systems with better outcomes for women.