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Our Shared Economy Tax Firm

After six years as a tax consultant at accounting giant PwC, Miguel left management at the “Big Four” for more entrepreneurial pursuits with the goal of providing problem-solving approaches to smaller, but just as passionate business. And at Shared Economy Tax, Miguel has found just that.

​Miguel is licensed to represent taxpayers in all matters before the IRS including the U.S. Tax Court. He has been quoted in the Wall Street Journal, Fox Business, and MSNBC on tax and sharing-economy related articles and has testified before the U.S. Congress on tax reform as an expert witness for the Sharing Economy.

In the off season, Miguel coaches his son and daughter’s AYSO soccer teams and enjoys taking extended camping trips in the California Sierras.

Miguel Alex Centeno

Managing Partner

​Natalie Rasmussen, EA


Natalie is an Enrolled Agent with 21 years of experience in the tax accounting field.  Her experience includes all areas of taxation, accounting and planning.  With an Enrolled Agent Certification, Natalie is a federally-authorized tax practitioner who has technical expertise in the field of taxation and is empowered by the U.S. Department of the Treasury to represent taxpayers before all administrative levels of the IRS for audits collections and appeals.

Based out of Las Vegas, Nevada, Natalie can usually be found in her off time enjoying everything that this spot in the desert has to offer: hiking, shows, great restaurants and gym-time with the love of her life.

David (Dave) Weinstein is a CPA and Fordham MBA with a passion for the tax code. Having served in various real estate tax consultant roles at PwC and Deloitte, Dave ultimately moved into a more financial capacity at various companies as an interim CFO. Dave brings a wealth of experience and technical knowledge to Shared Economy Tax that strengthens our firm’s ability to defend tax positions in all areas of controversy.

Based out of Morganville, NJ, Dave enjoys competing in Masters swimming and travelling for races.

David Weinstein, CPA MBA

Managing Director

​ Karla Guardado

Senior Tax Associate

Karla is a graduate of California State University Los Angeles and holds a degree in Accounting. With hundreds of tax returns under her belt, she is an experienced tax preparation professional, specializing in business and executive tax returns.

After starting with Shared Economy Tax in 2016, she hasn’t looked back: finding a genuine passion for maximizing client deductions for Airbnb hosts and rideshare drivers.

Sean is a graduate of Loyola Marymount University with a degree in Economics. After working closely with many entrepreneurs in his own endeavors, he joined the Shared Economy Tax to help new business owners and sharers with their numbers. As the head of community outreach and client success, Sean is highly focused on client needs and educating partners about how the Company works. When not working, Sean is devouring the latest news and keeping up with the latest trends. Go ahead, ask Sean what happened in the news today and he’ll let you know.

Sean Farrell

Community Outreach & Client Success

Derek Davis


Derek was formally trained in tax accounting at PriceWaterhouseCoopers LLP and Deloitte Tax LLP. A Certified Public Accountant, he has worked with clients across the United States and is licensed in the State of California.​

In May 2014, after speaking with his Uber driver, Derek decided to spend his time and efforts to those working in the Sharing Economy. His driver informed him the ridesharing service was constantly cutting drivers’ fares, causing many to worry about their ability to support families (and of course pay taxes). This driver (like many others) needed Derek’s help and expertise to inform of such things as being able to deduct approximately $10,000 a year from his income if he decided to depreciate his car over a 5-year period. The driver was completely unaware of various tax savings advantages as a 1099 Independent Contractor operating in the shared economy.

After this experience, Derek was fueled to fix this huge knowledge gap (especially related to tax savings). Now, he identifies and applies tax savings opportunities to help individuals keep more of their earnings in their pockets.

Contact Our Small Business CPA Firm Today!