Our Writers
Every article on Calcipedia is written by someone with genuine experience in the subject. Meet the people behind the guides.
Tom Gallagher
Building & Renovation Specialist
Tom works in residential construction and shares the practical know-how that turns DIY plans into finished projects.
James Whitfield
Retired Financial Planner
Now retired from wealth management, James writes about the money decisions that shape everyday life — mortgages, retirement, and building long-term security.
Michael Brennan
Small Business Finance Writer
Michael has worked in accounting and tax preparation, and now demystifies taxes, debt, and business finances — one tax-season war story at a time.
Maria Santos
Diet & Lifestyle Coach
Maria is a diet and lifestyle coach who helps people build sustainable eating habits backed by evidence, not fads.
David Okonkwo
Mechanical Engineer
David is a mechanical engineer specialising in energy systems who helps people understand the science behind power, efficiency, and sustainable living.
Elena Vasquez
Fitness Coach & Wellness Writer
Elena is a fitness coach with a background in sports science who specialises in helping beginners build sustainable fitness habits.
Priya Kapoor
Maths Educator & Writer
Priya teaches applied mathematics and writes about the maths concepts people actually use — from statistics to geometry to everyday number sense.
Sophie Chen
Tech Writer & Software Engineer
Sophie is a software engineer turned technical writer. She makes complex tech topics feel approachable — usually with an analogy.
Rachel Murray
Food Blogger & Mum of Three
Rachel is a former primary school teacher turned food blogger who writes about cooking, meal prep, and the everyday maths of running a household.
Sarah Johansson
Maternal Health Writer
Sarah has a background in maternal healthcare and now writes about pregnancy, fertility, and women's health with accuracy and genuine compassion.
Carlos Mendez
Transport & Logistics Manager
Carlos works in fleet management by day and restores classic cars in his spare time. He writes about the real-world numbers behind driving, fuel, and vehicle ownership.
Hannah Park
Education Writer & Tutor
Hannah is a teacher and curriculum developer who believes everyone can be a maths person — they just need the right explanation.