Our Experts

David Das is a personal finance expert, retirement planning specialist, and the founder of Think and Retire, an educational platform focused on financial independence and long-term wealth building. Holding a PhD and backed by years of experience in financial education, he helps individuals make smarter decisions about saving, investing, retirement, and everyday money management. David Das specializes in personal finance, retirement planning, and financial literacy. For Pikadil readers, David's expertise provides valuable context for making informed consumer and financial decisions. He explains topics such as budgeting, saving strategies, investment fundamentals, retirement readiness, and the true cost of major purchases in a clear and practical way. By connecting spending habits with long-term financial goals, he helps consumers avoid common money mistakes, build healthier financial habits, and make more confident purchasing decisions.

Dennis Shirshikov is a personal finance expert, consumer savings specialist, and founder of GrowthLimit. With a background in finance, economics, risk management, and market analysis, he helps individuals and businesses make data-driven financial decisions. Dennis specializes in personal finance, consumer spending, loyalty programs, and economic decision-making. His work focuses on helping people understand how to maximize value from their money, evaluate financial trade-offs, and make smarter purchasing decisions. Drawing on experience in financial analysis, market research, and consumer behavior, he translates complex economic concepts into practical advice. For Pikadil readers, Dennis's expertise is particularly valuable when it comes to saving money, comparing loyalty programs, and getting the most value from everyday spending. Whether analyzing grocery store rewards, cashback programs, membership benefits, or consumer discounts, he helps readers look beyond marketing claims and identify which offers provide genuine financial benefits. His insights enable consumers to make more informed choices, stretch their budgets further, and develop smarter long-term spending habits.

Preethi Balasubramanian is a business operations expert, entrepreneur, and founder of Wonder EA. She is also a speaker, educator, and advocate for practical approaches to personal and professional growth. Throughout her career, Preethi has worked closely with entrepreneurs, professionals, and families, helping them create systems that reduce waste, improve efficiency, and support long-term goals. Her expertise goes beyond business operations and extends into the everyday choices people make with their time, money, and resources. For Pikadil readers, Preethi's insights are particularly valuable when it comes to saving money, maximizing student benefits, and making thoughtful spending decisions. She helps consumers identify overlooked opportunities, evaluate the real value behind discounts and membership programs, and develop practical habits that lead to long-term financial stability. Whether discussing student discounts, subscription savings, educational expenses, or everyday budgeting strategies, Preethi brings a practical and experience-driven perspective that helps readers get more value from every dollar they spend.