Ian A. Post, CFA, CFP®

Principal

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Ian Post is the founder and principal of Larchmont, New York-based, Fifth Set Investment Advisors LLC, a Fee-Only, SEC registered investment advisory firm. Fifth Set provides investment management and financial planning services to busy Westchester professionals and their families.

Driven by his examination of competing investment management approaches, Ian created Fifth Set to offer clients customized wealth management strategies built on a foundation of evidence-based financial theory.

Ian launched Fifth Set Investment Advisors with the goal of creating a better wealth management experience for clients. An experience that promotes greater confidence and reduced stress in our clients’ financial lives.

Prior to founding Fifth Set, Ian conducted fundamental equity research at Citigroup, Credit Lyonnais and CIBC Oppenheimer. Ian earned a BS in Engineering and Public Policy from Washington University and an MBA with concentrations in Finance and Statistics from New York University’s Stern School of Business. Ian is a holder of the Charted Financial Analyst® designation and a member of CFA Institute and CFA Society New York. In addition, Ian is a CERTIFIED FINANCIAL PLANNER certificant and a member of the National Association of Personal Financial Advisors (NAPFA).  Ian serves on the Village of Larchmont Finance and Budget Committee.

Ian lives in Westchester, NY, with his wife and two children. When not running around with the kids, he enjoys tennis, yoga, movies, music and New Jersey Devils hockey.


Ashley Pham, CFP®, EA

Wealth Management Associate

Ashley jointed Fifth Set Investment Advisors in 2019. Ashley brings over six years of wealth management experience to her role at Fifth Set. Beginning with multiple internships during college, Ashley held a variety of wealth management roles in her full-time work prior to joining Fifth Set. Her areas of expertise include operations, financial planning, tax planning and preparation and investment management. Ashley brings her positive and passionate attitude to bear on helping clients of Fifth Set achieve their goals.

Ashley is a native of Vietnam. She graduated Summa Cum Laude from the University of Texas at Dallas with BS degrees in both finance and accounting. Ashley is a CFP® professional as well as a federally authorized Enrolled Agent of the IRS.

Ashley enjoys traveling extensively and regularly visits Asia and Europe.


Core Values

  • Fiduciary relationship with clients
    Every action taken on behalf of a client or advice given to a client must always be consistent with the client’s best interests.
  • Transparency
    Always strive for simplicity and transparency in our client relationships.
  • Evidence-based Investing
    Investment philosophy will always be driven by the evidence produced by academic research in financial science.
  • Protect our clients
    Always seek to protect our clients from both external and internal forces that would otherwise push them into taking actions not beneficial to their financial well-being. We believe education and consistency of message are the tools that best protect our clients.

The Story behind Fifth Set

In the mid‐1990s, I began working as an equity research analyst covering Internet, and later, traditional media companies. I was excited to learn about different businesses, create financial statement and valuation models, write research reports and make buy/sell/hold stock recommendations. My anticipated career path was to become an established stock analyst and eventually move to the “buy side” to become a mutual fund or hedge fund portfolio manager. It seemed like a perfect path based on my background in engineering and finance.

A surprising thing happened, though, along the road to portfolio manager heaven. I found that many of the ideas we build investing narratives around turn out not to be true. The premise of fundamental equity research (stock picking) is that by developing a deep understanding of a company’s products, services, finances, competitors, etc., one can select the stocks best positioned for future market outperformance. I found through personal experience the linkage between fundamental analysis and actual stock price movements to be weak at best and possibly non‐existent.

My reservations regarding conventional investment research came to a head when I met the lady who eventually became my wife. At this time in her life, she had amassed a bit of savings sitting in a bank account.

Before investing her savings, I set about rethinking how portfolios should be constructed. It was clear that simply buying a handful of stocks for my potential future wife, crossing my fingers and hoping that one or more of them didn’t blow up was not a reliable investment approach.

Going back through my MBA finance textbooks and research in academic and practitioner resources brought me to a smart and compelling investment approach, suitable for professional clients and future spouses. The principles upon which Fifth Set is built began with that research.

Please see the Investment Principles section of the website to learn more about what I discovered.

Firm Relationships

Fifth Set Investment Advisors works with a select group of corporate partners to provide smart financial solutions for our clients. By working with these firms, Fifth Set combines independence with a full range of investment management and financial planning resources.

Dimensional Fund Advisors

logoDFADimensional Fund Advisors is a global asset management firm that develops investment solutions for institutions and clients of independent investment advisory firms. Dimensional has a unique investment approach that focuses on implementing the best ideas in financial science. Through a strong connection with the academic community, Dimensional incorporates the findings of leading financial researchers into practical, cost‐effective investment solutions. Dimensional is headquartered in Austin, Texas, and has trading offices across North America, Europe, and Asia, enabling the firm to cover global markets and manage strategies continuously.

TD Ameritrade Institutional

TD AmeritradeTD Ameritrade Institutional is a leading provider of comprehensive brokerage and custody services to more than 5,000 independent registered investment advisors and their clients. TD’s advanced technology platform, coupled with personal support from a dedicated service team, enables Fifth Set to run its practice more efficiently and effectively while giving us more time with our clients. TD Ameritrade Institutional is a division of TD Ameritrade, Inc.

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We serve the following communities in and around Westchester County, NY: Larchmont, Mamaroneck, Scarsdale, New Rochelle, Rye, Rye Brook, Rye Neck, Greenwich, Westchester, Harrison, Port Chester, White Plains and Pelham.