Our Expert Team

Meet the industry professionals who review and verify our content

Expert-Verified Content

At ChallengeAnswer, we believe in the power of expertise. Every piece of content on our site is reviewed by industry professionals to ensure accuracy, reliability, and practical usefulness. Our expert team brings decades of combined experience across culinary arts, mathematics, and survival training.

This commitment to expert verification is part of our EEAT (Experience, Expertise, Authoritativeness, Trustworthiness) approach to content creation, ensuring you can trust the information you find on our site.

PhD in Mathematical History

Dr. Snezana Lawrence

Mathematical Historian | PhD from Yale

Dr. Lawrence is a published mathematical historian with a PhD from Yale University. She ensures mathematical precision and accuracy in all our calculations, conversions, and academic score calculators. Her expertise spans computational mathematics and educational assessment.

15+ years of professional experience

Education

PhD in Mathematical History - Yale University
MA in Mathematics Education

Experience

10+ years teaching mathematics educators
Published author by Yale University Press & Oxford
Mathematical historian and education researcher

Certifications

Member of British Society for the History of Mathematics

Publications

A Little History of Mathematics (Yale University Press, 2025)
Multiple scholarly works on mathematics education

Specializations

Mathematical HistoryTime CalculationsMathematical ConversionsCalculator VerificationAcademic Assessment

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Professional Chef Certification

Chef Steven Harty

Professional Chef | 30+ Years Experience

Chef Harty brings over 30 years of professional culinary experience, having trained under renowned chef Rick Bayless. He specializes in precision cooking and measurement accuracy, ensuring all our cooking conversions and ingredient calculations are tested and verified in real kitchen conditions.

30+ years of professional experience

Education

Culinary Training under Chef Rick Bayless
Advanced Culinary Arts Certification

Experience

30+ years professional culinary experience
Sous Chef under Chef Rick Bayless at Frontera Grill
Executive Chef at NoMI, Park Hyatt Chicago
AAA Four Diamond Award recipient

Certifications

AAA Four Diamond AwardServSafe CertificationProfessional Chef Certification

Specializations

Cooking ConversionsFood KnowledgeKitchen TechniquesPrecision MeasurementRecipe Development

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Certified Survival Instructor

Bruce Zawalsky

Survival & DIY Expert | 28+ Years Experience

Bruce is a wilderness survival expert with 28+ years of experience and author of "Canadian Wilderness Survival." His extensive hands-on experience in building wilderness shelters, construction projects, and practical DIY work, combined with his military training, ensures all our construction guides and survival content are field-tested and practical.

28+ years of professional experience

Education

Canadian Armed Forces Wilderness Survival Training
Advanced Wilderness First Aid Certification

Experience

28+ years as professional survival instructor
Founder of Boreal Wilderness Institute
40+ years Canadian Reserve Army service
Survival consultant for TV series "Alone"

Certifications

Certified Wilderness Survival InstructorWilderness First ResponderCanadian Armed Forces Training Certification

Publications

Canadian Wilderness Survival (Bestselling Author)
Multiple survival guides and articles

Specializations

Wilderness SurvivalEmergency PreparednessOutdoor SafetyFood StorageSurvival EquipmentDIY ConstructionShelter BuildingHands-on Projects

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ChallengeAnswer Editorial Team

Beyond our expert reviewers, our dedicated editorial team of researchers and fact-checkers work tirelessly to ensure every piece of content meets our high standards for accuracy and usefulness.

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Have Questions?

Our team is here to help. Reach out with any questions about our content or expert review process.