David — Finance Expert & Founder | USFinanceCalculators.com
David — Founder of USFinanceCalculators.com
✦ Verified Author
Finance Expert & Founder

David

Pen name of Zeeshan Abbas

Founder · USFinanceCalculators.com  |  MBA Finance · MSc

Finance professional with 20+ years of real-world experience spanning corporate finance, data systems, and operations. Building the most comprehensive free financial calculator platform for Americans — 200+ tools and growing.

🎓 MBA Finance — UET Lahore 🎓 MSc — University of Karachi 🏭 Manager at Coats 🧮 200+ Calculators Built 📈 20+ Years Experience 📅 Publishing Since 2018 🎯 Mortgage · Valuation · Tax
200+
Calculators Built
20+
Years Experience
9
Finance Categories
3
Platforms Launched
About David

The Finance Mind Behind USFinanceCalculators.com

David is the founder and lead developer of USFinanceCalculators.com — one of the most comprehensive free financial calculator platforms built specifically for US consumers, small business owners, and finance professionals.

His approach is straightforward: take complex US financial formulas — mortgages, taxes, investment returns, business valuations, debt payoff — and turn them into free, accurate, easy-to-use tools that anyone can access without a financial advisor.

Every calculator on this site is built by David from scratch using verified financial methodology, current US regulatory standards, and plain-language explanations that empower real financial decisions. No guesswork. No affiliate redirects. Just the math. Specializing in US mortgage math, business valuation, and tax calculations.

Transparency

Who Writes Under the Name David

“David” is the pen name of Zeeshan Abbas, founder and lead financial analyst of USFinanceCalculators.com. Every calculator and guide credited to David on this site is built and reviewed by Zeeshan. We state this openly so readers always know who stands behind the numbers. In outside publications and media features, he writes under his real name.

As featured on · Connectively · October 2026

The Five Numbers I Run Before Any Big Money Decision

Bylined by Zeeshan Abbas: the five calculations, from true housing cost to break-even timing, that turn “Can I afford this?” into a clear answer.

As featured on · Insurance News · October 2026

8 Technologies That Will Transform Homeowners Insurance Underwriting and Claims Processing

Expert contributor on how AI-analyzed aerial and satellite imagery can make roof underwriting fairer and speed up storm claim payouts.

Professional Experience

20+ Years Across Finance & Operations

2020 – Present
Lab & Computer Systems Manager
Coats — Global Leader in Industrial Thread & Yarn Manufacturing
Managing laboratory operations, data infrastructure, and computer systems at one of the world’s most recognized industrial textile companies. Responsible for process controls, operational analytics, quality data management, and cross-departmental reporting at scale.
2018 – Present
Founder & Lead Developer
USFinanceCalculators.com
Building and managing a growing library of 200+ interactive financial calculators for the US market. Full stack development (HTML, CSS, JavaScript), SEO architecture with JSON-LD structured data, and product strategy for each tool category. Platform also extends to calculadorabrasil.com.br (Brazilian market) and genghisfitness.com.
2005 – 2020
Finance & Operations Professional
Textile & Industrial Sector
Over 15 years of cross-functional experience in financial analysis, cost management, data systems, and operational process design across manufacturing and industrial environments. This hands-on experience forms the backbone of every financial formula used on this site.
Education & Credentials

Academic Foundation in Finance

MBA — Finance
School of Business & Management
University of Engineering & Technology (UET), Lahore
Postgraduate
Corporate Finance · Financial Modeling · Cost Analysis
Master of Science (MSc)
University of Karachi
2006
Quantitative Methods · Research Methodology
Full-Stack Web Development
Self-Directed · Professional Practice
Ongoing
HTML · CSS · JavaScript · SEO · JSON-LD
Areas of Expertise

Finance Domains Covered on This Site

🏠
Mortgage & Real Estate
FHA, VA, USDA, PMI, amortization schedules, rent vs. buy
🧾
Tax Planning
Federal income, capital gains, W-4 withholding, self-employment tax
📈
Investing & Retirement
401(k), IRA, compound interest, Social Security, NPV
🏢
Business Finance
MCA APR, EBITDA, break-even, business valuation, SBA loans
💳
Credit & Debt
Debt snowball/avalanche, payoff strategies, credit utilization
🛡️
Insurance
Life, health, auto, disability, COBRA, Medicare Part B
🚗
Loans
Auto, student, personal, payday APR, debt-to-income ratio
💰
Personal Finance
50/30/20 budgeting, emergency funds, salary calculators
⚖️
Legal & Global Finance
Settlement fees, alimony, child support, forex, expat tax
Featured Tools

Popular Calculators Built by David

📊 MCA True APR Calculator → 🏠 FHA Loan Amortization → 📈 EBITDA Margin Calculator → 🧾 Capital Gains Tax Calculator → ⚖️ Legal Settlement Fee Calculator → 💹 Return on Equity Calculator → 📊 Compound Interest Calculator → 🏢 Customer Lifetime Value → 💰 50/30/20 Budget Calculator → 🛡️ Life Insurance Needs Calculator →
Editorial Standards

How Every Calculator Is Built

David’s methodology: Every calculator on USFinanceCalculators.com starts with primary source research — IRS publications, Federal Reserve guidelines, HUD/FHA/VA official standards, and peer-reviewed financial formulas. Tools are built with precision JavaScript using Big.js for decimal accuracy, tested against known outputs, and reviewed against current US regulatory standards before publishing. No tool is published until the math is independently verified. Content is updated when laws or rates change. David specializes in US mortgage math, business valuation, and tax calculations, and has been actively publishing financial tools since 2018.