Management Team

Roger Post, Founder and Chief Executive Officer

Roger is the Co-Founder and Chief Executive Officer of Best Execution and Surveillance solutions aka Best X stats, “BXS“. Best Execution and Surveillance Solutions LLC. was founded in 2015. BXS is a technology firm servicing the Financial Industry, specializing in Post Trade Analytics for Equities and options, known in the industry as “ Best Execution” as well as in the Trade Surveillance space both regulated by the SEC and Finra.

Prior to founding “ BXS “, in 2009 Roger joined the Transaction Auditing Group, “ TAG “ as the Executive Vice President. The firm analyzed Trading activity for the financial industry. He became the acting CEO in 2012 and successfully positioned the company for acquisition and subsequently consummated a sale in 2014 to a publically traded company.

Before TAG in 1998 Roger acquired Edward T. Minor co, a residential and commercial heating oil and HVAC energy business. He sold both Edward T. Minor Co and Building Energy Management in 2008. “Building Energy Management “ had evolved from a carpet cleaning business Roger started in 1976 while in HS, to a facility management company with over 100 employees. In the fall of 1979, Roger took a position on Wall Street at the Commodities Exchange, at 4 World Trade Center with Shearson Hayden and Stone which later became Shearson Lehman Bros. There he continued with a 15 year Wall street career on the trading floors / desks for Rudolph Wolf Commodities, Cowen & Co, and Smith Barney.

Roger L. Post , Born in Athens, Greece in 1961, came to the US in 1964. Attended Adelphi Academy in Bay Ridge Brooklyn for 8 years then transferred and graduated from Fort Hamilton HS in 1979. Attended University of Phoenix Arizona, Kings Borough CC and graduated with a degree in Business Management.

Current affiliations

  • Participating Broker of The Long Island Board of Realtors, LI MLS
  • Participating Broker of The Brooklyn Board of Realtors, North Shore MLS
  • Executive Board Member Emeritus of the NY State Troopers Foundation

  • Ben Calev, Founder and Chief Technology Officer

    Ben Calev is Founder and Chief Technology Officer at Best Execution and Surveillance Solutions. Along with Roger Post, Ben founded BXS after a 15 year role building the IT infrastructure of TAG (The Transaction Auditing Group) the originator of standardized Best Execution Reporting. While at TAG, Ben was responsible for all database and IT operations as well as stints in Client Services and Software Development.

    Having been involved in all aspects of Best Execution Reporting, including the origination of Rule 605/606, Ben has unique and intimate knowledge of the industry. He is both an internal and external resource for standard and customized Best Execution products.

    Prior to BXS and TAG, Ben was with INetU, a managed web hosting firm where he managed major accounts, coordinated general operations and implemented technology solutions including data center expansion, accounting system upgrades and strategic platform coordination. Other past positions include Director of Information Services for Integra, a publicly-traded managed behavioral healthcare firm, and Principal of Worldspan Technologies, an internet consulting firm. Ben is a graduate of Ithaca College, Ithaca, NY.

    Jennifer Cusumano, Founder and Executive Vice President

    Jennifer Cusumano is the Executive Vice President of Operations and is responsible for overseeing the day to day operations at Best X Stats to support the growth and add to the bottom line of the company. Her duties include but are not limited to overseeing the daily processes of Operations, Client Services as well as supports Sales. Because she is involved in all aspects of the company, she plays an integral role in implementing processes and writing procedures to ensure operational efficiency to optimize work flows and ensure clients needs are being met with an exceptional level of service and satisfying client’s needs. She maintains strong relationships with our clients as well as the data providers where she works with various file formats and performs extensive data file analysis to ensure the accuracy and quality of their data for optimal results. She works closely with the Development team to continually promote product enhancements, design and testing as well as QA’s the website to ensure optimum functionality so that our clients get the most out of their user experience. Her specialties also include reviewing regulatory compliance reporting for REGNMS- SEC Rule 605, Rule 606, 611 Reporting, Post-Trade Execution Quality Analysis, NBBO Exception Reporting, helping clients with Finra TMMS exams, researches client data inquiries, Project Management, has excellent problem solving skills, very detailed oriented, provides client product training and tutorials as well as reaches out to potential clients, provides demos for Sales and carries out the onboarding process of new clients.

    With her years of experience and relationships, our company and clients depend on her for her technical and intrapersonal expertise to assist them with facilitating their requirements on a daily basis. Prior to BXS, Jennifer was at TAG (Transaction Auditing Group) for 15 years and held the positions of Vice President of Sales/Marketing as well as Director of Client Services during her tenure. Prior to joining TAG, she was with Systemax, Inc. (a Fortune 1000 company), a leading retailer of computers, electronics, and industrial products throughout North America and Europe where she held several positions including Accounting, Investor Relations as well as working with top level management. Prior to Systemax, she worked for Henry Doneger Associates, the industry’s leading source of global trend intelligence, merchandising and analysis of retail business market information. Jenn graduated from NCC with a degree in Business Management.

    Walter Ferstand, Director of Regulatory and Compliance Reporting

    Walter Ferstand is a veteran compliance and regulatory expert with more than 30 years of capital markets experience in the broker/dealer and exchange side of the business.  Prior to joining BestXStats, Walter was the Compliance Subject Matter Expert at both Redkite Financial Markets and NICE Actimize. He has also held senior-level compliance positions at Man Financial and Instinet, and served in market operations management capacities during a 10-year tenure with NASDAQ.

    Mr. Ferstand specializes in cross-asset electronic and DMA trading requirements, including REG NMS 611, 605 and 606, OATS, TRACE, TRF, and MSRB Compliance Reporting.  Mr. Ferstand also has extensive knowledge of the development, forensic testing and risk assessment of compliance programs in accordance with SEC, FINRA, and CFTC rules and regulations, including new and proposed rules.

    As a compliance expert, Mr. Ferstand will work closely with BXS clients and prospects to evaluate, educate and advise on compliance requirements, ensuring each firm has the proper solutions to meet their specific business needs. His expertise in designing strategy and implementing strong business practices in accordance with Dodd-Frank and other regulatory initiatives for swaps, fixed income, commodities and equity/option instruments will be a great asset in helping firms develop and author policies and procedures.  He will also be hosting frequent webinars on industry subject matter, best execution requirements, as well as SEC- Finra examination priorities.