Group 1 - The article discusses the portfolio management approach of The Capital Group, particularly through ETFs like CGDV and CGGR [1] - The Sunday Investor focuses exclusively on U.S. Equity ETFs and has a strong analytical background, holding a Certificate of Advanced Investment Advice and completing requirements for the Chartered Investment Manager designation [1] - The Sunday Investor has developed a proprietary ETF Rankings system that evaluates nearly 1,000 ETFs based on various factors, resulting in a composite score from 1-10 [1] Group 2 - The Sunday Investor is actively engaged in the comments section of articles and encourages interaction through comments or the website etf-rankings.com [1] - The article mentions a beneficial long position in shares of SPY, MSFT, BRK.B, and CGDV, indicating a vested interest in these investments [1]