RSM US Executive and Leadership Team

September, 2026

Leadership Overview

RSM US has 10 executives leading key functions including technology, operations, finance, advisory, and marketing.

Committed to middle-market excellence, RSM US delivers advanced assurance, tax, and consulting solutions through a robust network of skilled advisory teams and technology-enabled services.

Leadership Roles at RSM US

  • Chief Operating Officer and Chief Financial Officer Ohio - Jeffrey Mansell
  • Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot - Ethan Bouyea
  • Consulting Manager - Chief Financial Officer Advisory - Rachel Sticco
  • Chief Operating Officer - Mildred Abbey
  • Chief Technology Officer - Tom Jackson
  • Manager, Management Consulting & Chief Information Officer, Advisory - Zachary Barnhill
  • Managing Director, Chief Information Officer Advisory Services - Rex Larowe
  • Director, Management Consulting & Chief Information Officer, Advisory - Kishore Thota
  • Principal, Chief Marketing Officer - Andrew Bosman
  • Senior Associate, Chief Information Officer Advisory - Ryan St. Clair
  • Jeffrey Mansell - Chief Operating Officer and Chief Financial Officer Ohio

    Jeffrey Mansell, the Chief Operating Officer and Chief Financial Officer Ohio at RSM US, directs financial planning and operational oversight for the regional market. Mansell manages the fiscal health of the Ohio practice, ensuring that financial reporting and tax planning services align with corporate standards. By architecting regional growth strategies, the Chief Operating Officer and Chief Financial Officer Ohio supports the expansion of consulting services within the local middle-market sector. This leadership role involves managing capital allocation and monitoring regional profitability to ensure long-term stability. Jeffrey Mansell drives the implementation of financial controls that mitigate risk while fostering business development. The Chief Operating Officer and Chief Financial Officer Ohio coordinates with national leadership to ensure that regional operations reflect the firm's broader commitment to excellence. Through rigorous financial analysis, Mansell identifies opportunities for service optimization, ensuring that the firm delivers consistent value to clients across the region while maintaining strict adherence to regulatory requirements.

    Ethan Bouyea - Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot

    Ethan Bouyea, the Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot at RSM US, manages financial strategy for the advisory and risk consulting divisions. Bouyea oversees the fiscal performance of consulting programs, ensuring that risk management services deliver measurable value to middle-market clients. By architecting financial models for complex consulting engagements, the Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot supports the firm's commitment to high-quality advisory services. This role involves monitoring project profitability and ensuring that risk consulting initiatives align with corporate financial goals. Ethan Bouyea drives the implementation of financial oversight mechanisms that enhance transparency and accountability within the advisory practice. The Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot collaborates with program leads to optimize resource utilization and improve service delivery efficiency. Through rigorous financial planning, Bouyea ensures that the firm maintains a strong market position while providing comprehensive risk and management consulting solutions.

    Rachel Sticco - Consulting Manager - Chief Financial Officer Advisory

    Rachel Sticco, the Consulting Manager - Chief Financial Officer Advisory at RSM US, leads the delivery of financial advisory services for middle-market clients. Sticco oversees the execution of projects focused on financial reporting, tax planning, and outsourced accounting solutions. By architecting financial strategies, the Consulting Manager - Chief Financial Officer Advisory ensures that clients receive expert guidance on managing their fiscal health and operational performance. This role involves managing client engagements and providing hands-on support for complex financial challenges. Rachel Sticco drives the development of advisory solutions that help businesses improve their financial processes and decision-making capabilities. The Consulting Manager - Chief Financial Officer Advisory collaborates with other advisory teams to ensure that financial services are integrated with broader business consulting initiatives. Through the application of deep financial expertise, Sticco enhances the firm's ability to provide high-impact advisory services that support the growth and stability of diverse business organizations in a competitive market.

    Mildred Abbey - Chief Operating Officer

    Mildred Abbey, the Chief Operating Officer at RSM US, manages the firm's internal business processes and operational efficiency. Abbey oversees the execution of service delivery models across the national footprint, ensuring that audit and consulting teams operate with maximum productivity. By streamlining administrative workflows, the Chief Operating Officer supports the firm's commitment to middle-market businesses. This role involves coordinating with regional leaders to optimize resource allocation and maintain high standards of service quality. Mildred Abbey drives operational excellence by implementing standardized project management methodologies that improve client outcomes. The Chief Operating Officer monitors key performance indicators to ensure that all business units meet financial and operational targets. Through the oversight of internal infrastructure, Abbey facilitates the seamless integration of new service lines. The Chief Operating Officer maintains a focus on operational scalability, ensuring that the firm remains agile while serving a broad range of clients from family-owned enterprises to private equity-backed organizations.

    Tom Jackson - Chief Technology Officer

    Tom Jackson, the Chief Technology Officer at RSM US, directs the firm's digital transformation and technology infrastructure strategy. Jackson oversees the integration of advanced software solutions to support middle-market clients across North American markets. By architecting scalable cloud environments, the Chief Technology Officer ensures that audit and tax service delivery remains efficient and secure. This leadership role involves constant collaboration with advisory teams to implement data-driven tools that enhance financial reporting accuracy. Tom Jackson drives the adoption of emerging technologies, ensuring the firm maintains a competitive edge in the accounting and business services landscape. Through the deployment of sophisticated cybersecurity frameworks, the Chief Technology Officer protects sensitive client information while enabling seamless remote collaboration. Jackson maintains a focus on long-term technological sustainability, ensuring that all digital assets align with the broader corporate mission of providing high-quality assurance and consulting services to diverse business entities.
    Tom Jackson

    Zachary Barnhill - Manager, Management Consulting & Chief Information Officer, Advisory

    Zachary Barnhill, the Manager, Management Consulting & Chief Information Officer, Advisory at RSM US, leads strategic technology initiatives within the advisory practice. Barnhill oversees the development of consulting frameworks that leverage advanced technology to solve complex business challenges for middle-market clients. By architecting digital roadmaps, the Manager, Management Consulting & Chief Information Officer, Advisory ensures that advisory services remain at the forefront of industry innovation. This role involves guiding cross-functional teams in the deployment of business consulting solutions that drive operational improvements. Zachary Barnhill drives the integration of technology-enabled services, ensuring that client engagements are supported by robust data analytics and efficient systems. The Manager, Management Consulting & Chief Information Officer, Advisory collaborates with other senior leaders to align advisory strategies with the firm's overall growth objectives. Through the application of deep technical expertise, Barnhill enhances the firm's ability to provide high-impact consulting services that address the unique needs of diverse business organizations.

    Rex Larowe - Managing Director, Chief Information Officer Advisory Services

    Rex Larowe, the Managing Director, Chief Information Officer Advisory Services at RSM US, directs the firm's technology advisory practice. Larowe oversees the delivery of IT consulting services, helping middle-market clients navigate digital transformation and infrastructure modernization. By architecting strategic technology solutions, the Managing Director, Chief Information Officer Advisory Services ensures that clients leverage advanced tools to improve business performance. This role involves leading high-performing teams that provide expert guidance on cybersecurity, cloud migration, and data management. Rex Larowe drives the growth of the advisory services portfolio by identifying emerging market trends and developing innovative service offerings. The Managing Director, Chief Information Officer Advisory Services collaborates with other practice leaders to ensure that technology consulting remains integrated with the firm's broader assurance and tax services. Through the application of deep industry knowledge, Larowe enhances the firm's reputation as a trusted advisor for businesses seeking to optimize their technology environments and achieve sustainable growth.

    Kishore Thota - Director, Management Consulting & Chief Information Officer, Advisory

    Kishore Thota, the Director, Management Consulting & Chief Information Officer, Advisory at RSM US, leads the delivery of management consulting and technology advisory services. Thota oversees the execution of complex consulting projects, ensuring that middle-market clients receive actionable insights and technology-enabled solutions. By architecting operational improvements, the Director, Management Consulting & Chief Information Officer, Advisory supports the firm's mission to provide comprehensive business consulting services. This role involves managing client relationships and ensuring that advisory engagements meet high standards of quality and impact. Kishore Thota drives the development of consulting methodologies that address the evolving needs of businesses in a competitive market. The Director, Management Consulting & Chief Information Officer, Advisory collaborates with cross-functional teams to integrate technology solutions into broader management consulting strategies. Through the application of strategic expertise, Thota ensures that the firm delivers consistent value, helping clients achieve operational excellence and long-term success in their respective industries.

    Andrew Bosman - Principal, Chief Marketing Officer

    Andrew Bosman, the Principal, Chief Marketing Officer at RSM US, directs the firm's brand strategy and market positioning. Bosman oversees the development of marketing campaigns that highlight the firm's expertise in assurance, tax, and consulting services for the middle market. By architecting communication strategies, the Principal, Chief Marketing Officer ensures that the firm's value proposition reaches target audiences across diverse industries. This role involves managing brand identity and coordinating with business development teams to drive growth and client acquisition. Andrew Bosman drives the implementation of data-driven marketing initiatives that enhance the firm's visibility and reputation. The Principal, Chief Marketing Officer collaborates with senior leadership to align marketing efforts with the firm's overall strategic objectives. Through the oversight of market research and client insights, Bosman identifies opportunities to expand the firm's reach and strengthen its market position. The Principal, Chief Marketing Officer maintains a focus on building long-term brand equity while supporting the firm's commitment to delivering high-quality professional services.

    Ryan St. Clair - Senior Associate, Chief Information Officer Advisory

    Ryan St. Clair, the Senior Associate, Chief Information Officer Advisory at RSM US, supports the delivery of technology advisory services to middle-market clients. St. Clair oversees the implementation of IT solutions, focusing on data management and system optimization. By architecting technical workflows, the Senior Associate, Chief Information Officer Advisory ensures that client engagements are supported by efficient and secure technology environments. This role involves working closely with senior advisory leaders to develop and deploy consulting solutions that address specific business needs. Ryan St. Clair drives the execution of technology projects, ensuring that all deliverables meet the firm's high standards for quality and accuracy. The Senior Associate, Chief Information Officer Advisory collaborates with cross-functional teams to integrate technology into broader business consulting strategies. Through the application of technical skills, St. Clair enhances the firm's ability to provide comprehensive advisory services that help clients navigate digital challenges and achieve their operational goals in a rapidly evolving business landscape.

    Frequently Asked Questions Regarding RSM US Top Executives and Leadership Team

    Who leads RSM US?
    RSM US is led by Jeffrey Mansell (Chief Operating Officer and Chief Financial Officer Ohio), along with executives such as Ethan Bouyea (Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot) and Rachel Sticco (Consulting Manager - Chief Financial Officer Advisory).
    Who is part of RSM US’s executive team?
    The executive team of RSM US includes leaders such as Jeffrey Mansell (Chief Operating Officer and Chief Financial Officer Ohio), Ethan Bouyea (Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot), Rachel Sticco (Consulting Manager - Chief Financial Officer Advisory) and other senior executives.
    How many executives does RSM US have?
    RSM US has 10 executives leading key business areas.
    What roles are included in RSM US’s leadership team?
    The leadership team of RSM US includes roles such as Chief Operating Officer and Chief Financial Officer Ohio, Chief Financial Officer, Advisory Management Consulting & Program, Risk Consulting Pilot, Consulting Manager - Chief Financial Officer Advisory, Chief Operating Officer, Chief Technology Officer.