Our Writers
Meet the writers and topic reviewers behind Calcipedia's guides, explainers, and sensitive calculator pages. Each profile shows the contributor's subject focus, published work, and how that expertise is used across the site.
Tom Gallagher
Building & Renovation Specialist
Tom works in residential construction and shares the practical know-how that turns DIY plans into finished projects.
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.
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.
Maria Santos
Diet & Lifestyle Coach
Maria is a diet and lifestyle coach who helps people build sustainable eating habits backed by evidence, not fads.
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.
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.
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.
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.
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.
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.