Shulem Iskowitz is the Founder and Chief Executive Officer of MRBL Management, where he leads the firm’s mission to redefine modern asset management through innovative ETF engineering. A true entrepreneur at heart, Shulem combines creative vision with disciplined execution to develop investment solutions that bridge institutional sophistication and everyday investor access.

A registered investment adviser who has successfully passed the Series 65 exam, Shulem brings extensive experience in portfolio design, risk management, and strategic fund development. Before founding MRBL Management, he served as a Partner at a hedge fund, where he honed his expertise in alternative strategies and structured trading. His leadership is defined by a commitment to innovation, transparency, and long-term value creation for investors.

Samantha Macauley is the Chief Operating Officer of MRBL Management, where she oversees the firm’s operations, compliance, and financial infrastructure. With a strong background in regulatory processes and organizational management, she ensures MRBL operates with precision, integrity, and full adherence to SEC and FINRA standards.

Samantha plays a key role in optimizing workflows, managing vendor partnerships, and maintaining the systems that support MRBL’s investment and reporting operations. Her leadership reflects a balance of strategic oversight and hands-on execution, ensuring every aspect of the firm runs efficiently while upholding the highest level of professionalism and transparency.