About Mark Malek

Mr. Malek is the Chief Investment Officer at SiebertNXT where his responsibilities include portfolio management, investment advisory, and spearheading the efforts to launch next generation products and services.
Prior to joining the Siebert team, Malek was CIO at Praxis Insight Advisors and Digital Wealth Technologies where he developed and managed the firms’ quantitative market algorithms and models. Formerly Malek was Chief Investment Officer of WealthSource Partners, LLC, where his responsibilities included portfolio management, investment strategy, and trading.
Mark has 26 years of experience in quantitative finance, modeling, algorithm design, analysis, mergers and acquisitions, private equity, and securities trading. He served as a portfolio manager at Westmarc Capital Partners, Vice President of Corporate Development and AT&T, Director of Corporate Development at Lucent Technologies, and has been at the helm of several software-based startup ventures. Mr. Malek holds a BA in Economics from Rutgers University and an MBA in Finance from Rutgers Graduate School of Management.