Institutional Strength. Innovative ETFs.
At MRBL Management, our mission is to revolutionize asset management through innovative ETF solutions that deliver alpha with disciplined, risk-adjusted precision. We specialize in transforming traditional assets into modern, efficient ETFs built for performance, transparency, and investor trust. Our culture is grounded in teamwork and excellence, fostering collaboration and innovation at every level. Every member of our team is driven by a shared commitment to deliver exceptional results and help investors achieve their financial goals with confidence.
SUB -ADVISOR
MRBL Management
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.
Founder and Chief Executive Officer
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.
Chief Compliance Officer
Compliance Attorney
John Quinn serves as MRBL Management’s Compliance Attorney, providing strategic legal guidance and regulatory oversight across the firm’s operations. He is also the Principal at Quinn Law Partners, based in Radnor, Pennsylvania.
John has extensive experience advising clients on federal and state regulatory matters, forming private investment vehicles, managing mergers and acquisitions within the financial services sector, and ensuring full compliance with securities and advisory laws. He regularly represents clients before the U.S. Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), and various state regulatory bodies.
Previously, John served as Director of the Pennsylvania Securities Commission’s Division of Corporation Finance, where he and his team applied federal and state securities laws to uphold market integrity. He also chaired the North American Securities Administrators Association’s Corporate Accountability Project Group, contributing to national policy recommendations on corporate governance and regulatory reform.
John graduated magna cum laude from Villanova University and earned his law degree with high honors from George Washington University Law School. He is admitted to practice in Pennsylvania, Virginia, and the District of Columbia.
COMPLIANCE ATTORNEY
Quinn Law Partners
TRADING ADVISOR
Arin Risk Advisors
Managing Member & Strategy Director
Joseph DeSipio is the Managing Member & Strategy Director of Arin Risk LLC.
As Managing Member for Arin Risk Advisors, LLC (“Arin”), Joe leads Arin’s separately managed options overlay and volatility management solutions team. This team provides customized design and trade execution programs for family offices, registered investment advisors, and other fellow fiduciaries. He is also a member of the portfolio management team that advises the Alpha Architect 1-3 Month BOX ETF and the Alpha Architect Tail Risk ETF. He previously held Strategist and Lead Portfolio Manager positions with Evergreen Investments, Wells Fargo, and Vector Capital Management. Mr. DeSipio earned a Bachelor of Science degree from Indiana University of PA and Master of Arts degree in Economics from Temple University. He is a CFA charterholder and a Financial Risk Manager – Certified by the Global Association of Risk Professionals.
Managing Member & Trading Director
Lawrence Lempert is the Managing Member & Trading Director of Arin Risk.
As Managing Member and Trading Director, Larry Lempert oversees all trading and regulatory processes. He founded and managed Bullock Capital, LLC’s proprietary stock/option trading operation and served as a market maker/index/sector correlation and dispersion trader with Susquehanna International Group. He designed several derivatives pricing tools including one for option’s volatility that Arin employs for its “True Vol” pricing matrix. Mr. Lempert earned a Bachelor of Science degree in Statistics and Economics from Rutgers College, a Juris Doctor from Villanova University School of Law and a Master of Laws in Taxation from New York University School of Law.
ETF Architect
FUND ADVISOR
Senior Partner and Chief Executive Officer
Chief Operating Officer
Jessica Leighty is the Chief Compliance Officer of ETF Architect.
Ms. Leighty is currently ETF Architect’s Chief Compliance Officer, overseeing the firm’s compliance program. Previously, Ms. Leighty served as the Chief Compliance Officer & Director of Operations for Snow Capital Management, L.P. She holds a B.S. in Business Administration from the University of Minnesota and an M.S. in Business Ethics and Compliance from New England College of Business.
Chief Compliance Officer
Michael Barolsky is the Chief Legal Officer of ETF Architect.
Mr. Barolsky oversees the firm’s regulatory and legal matters, to include the EA Series Trust. He joined ETF Architect having most recently served as Senior Vice President and Head of Regulatory Services for U.S. Bank Global Fund Services, where he led legal and compliance teams responsible for the firm’s ETF clients and played an integral part in the rapid growth of the firm’s ETF business. During his career, Mr. Barolsky has assisted more than 50 ETF sponsors in bringing more than 150 ETFs to market. Mr. Barolsky started his career as an investment management lawyer with Thompson Hine LLP in Cincinnati, Ohio. He holds a B.S. in business administration and a B.A. in global business and political dynamics from Boston University, as well as a juris doctorate from the George Washington University Law School. Mr. Barolsky currently lives in Milwaukee, Wisconsin with his wife, two children, and their dog.
Chief Legal Officer
Wes Gray is the Senior Partner and Chief Executive Officer of ETF Architect.
After serving as a Captain in the United States Marine Corps, Dr. Gray earned an MBA and a PhD in finance from the University of Chicago where he studied under Nobel Prize Winner Eugene Fama. Next, Wes took an academic job in his wife’s hometown of Philadelphia and worked as a finance professor at Drexel University. Dr. Gray’s interest in bridging the research gap between academia and industry led him to found Alpha Architect, an asset management firm dedicated to an impact mission of empowering investors through education. He is a contributor to multiple industry publications and regularly speaks to professional investor groups across the country. Wes has published multiple academic papers and four books, including Embedded (Naval Institute Press, 2009), Quantitative Value (Wiley, 2012), DIY Financial Advisor (Wiley, 2015), and Quantitative Momentum (Wiley, 2016). Dr. Gray currently resides in Palmas Del Mar Puerto Rico with his wife and three children.
Josh Russell is the Senior Portfolio Manager of ETF Architect.
Previously, Dr. Russell was an Equity Portfolio Manager at Carson Group. He managed over $1.7 billion in assets across fourteen thousand accounts in this capacity. Before working in asset management, Josh worked on research grants for the Army, the Air Force, and NASA. Dr. Russell is a CFA charterholder. He earned a Ph.D. in Electrical and Computer Engineering and a Masters in Economics from the University of California, Santa Barbara.
Sean Hegarty is the Chief Operating Officer of ETF Architect.
Mr. Hegarty serves as the Chief Operating Officer of ETF Architect, where he orchestrates daily operations and SEC reporting for the firm. Previously, Mr. Hegarty served as an Assistant Vice President of Fund Administration at U.S. Bank Global Fund Services after three years as an auditor of investment companies with Cohen & Company. He holds a B.S. in Accounting from Marquette University and is registered as a Certified Public Accountant in Wisconsin. Mr. Hegarty currently lives in Milwaukee, Wisconsin with his wife and three children.
Patrick Cleary is currently Senior Partner of ETF Architect.
Mr. Cleary manages strategic relationships, overseeing identification, screening, and ongoing relationship management for ETF Architect clients. Previously, Mr. Cleary served as Director of Strategy and Corporate Development for Algeco Scotsman, a multinational leasing and manufacturing company. Before Algeco Scotsman, he was a Project Leader for the Boston Consulting Group. In that capacity, he advised clients across various US, Europe, and Africa industries. Mr. Cleary also served as a Captain in the United States Marine Corps. He holds a MBA from Harvard Business School, a MS in Cybersecurity from Webster University, and a BS in Economics from the Wharton School of the University of Pennsylvania.
Senior Partner — Strategic relationships
Senior Portfolio Manager