Sandler Executive and Leadership Team

Jim Mumm, the Chief Executive Officer at Sandler, directs the overarching global strategy for performance improvement solutions. Mumm oversees the integration of behavior-driven learning methodologies across diverse international markets, ensuring that the organization maintains its status as a leader in professional development. By aligning corporate objectives with the specific needs of enterprise clients, the Chief Executive Officer fosters an environment where sustainable growth remains the primary outcome. Mumm coordinates with the board to refine the reinforcement-based training model, which distinguishes the firm from conventional providers. This leadership role involves constant evaluation of market trends to ensure that the curriculum evolves alongside changing industry demands. Through rigorous oversight of organizational performance, Jim Mumm secures the long-term viability of the company. Ultimately, Mumm drives the strategic vision that empowers teams to master essential communication and leadership skills for measurable success.

Guy Ragault, the Chief Executive Officer, Northern Lakes Sales Leadership at Sandler, manages regional sales training initiatives across the Northern Lakes territory. Ragault architects specialized programs that focus on the unique challenges faced by sales professionals in this specific geographic market. By implementing the core Sandler methodology, the Chief Executive Officer, Northern Lakes Sales Leadership ensures that local enterprises adopt reinforcement-based learning to improve performance metrics. Ragault monitors the effectiveness of these training modules, adjusting tactics to maximize client engagement and skill retention. This role requires close collaboration with regional stakeholders to identify gaps in professional development and provide targeted solutions. Guy Ragault drives the expansion of the company footprint by demonstrating the tangible value of behavior-driven coaching. Through consistent application of these techniques, Ragault strengthens the competitive position of clients while upholding the high standards of the broader organization.

Randy Gangaloo, the Chief Executive Officer & Founder at Sandler, establishes the foundational philosophy that guides all performance improvement solutions. Gangaloo architects the core principles of the organization, emphasizing the critical balance between attitudes, behaviors, and techniques. As the Chief Executive Officer & Founder, Gangaloo provides the vision necessary to maintain the integrity of the reinforcement-based learning model. This leadership role involves mentoring senior management and ensuring that the company mission remains central to every training program delivered. By focusing on long-term behavioral change, Gangaloo influences how organizations across the globe approach professional development. Randy Gangaloo drives the innovation of new training frameworks that address modern business complexities. Through this commitment to excellence, Gangaloo ensures that the firm continues to deliver measurable results for clients, solidifying the reputation of the brand as a premier provider of leadership and sales training.

Suzie Andrews, the Chief Executive Officer & President, St. Louis-based Sandler Training at Sandler, oversees the delivery of performance improvement solutions within the St. Louis market. Andrews directs the local operations, ensuring that the unique needs of regional clients receive tailored attention through the established reinforcement-based learning approach. As the Chief Executive Officer & President, St. Louis-based Sandler Training, Andrews manages the implementation of behavior-driven training programs that empower local teams to achieve sustainable growth. This role involves building strong relationships with business leaders to facilitate the adoption of advanced communication and leadership skills. Suzie Andrews drives the success of the regional office by maintaining high standards of coaching and practical application. Through strategic oversight of local training initiatives, Andrews ensures that the company methodology translates into measurable performance gains for every client served in the area.

Marnie Barber, the Chief Financial Officer at Sandler, manages the fiscal health and financial strategy of the organization. Barber oversees all budgetary planning, financial reporting, and resource allocation to support the global expansion of performance improvement solutions. As the Chief Financial Officer, Barber ensures that the company maintains the necessary capital to invest in new training technologies and reinforcement-based learning tools. This role involves analyzing market data to provide insights that guide strategic investments and operational decisions. Marnie Barber drives financial stability by implementing rigorous controls and optimizing revenue streams across all business units. By collaborating with other C-suite leaders, Barber aligns financial objectives with the broader mission of empowering individuals and enterprises. Through careful management of the balance sheet, Barber secures the resources required to sustain the long-term growth and market impact of the firm.

Alex Luévano, the Chief Operating Officer Colombia at Sandler, manages the operational infrastructure and service delivery within the Colombian market. Luévano oversees the implementation of behavior-driven training programs, ensuring that local teams receive the support necessary to master essential leadership and sales skills. As the Chief Operating Officer Colombia, Luévano adapts the global methodology to fit the specific cultural and business nuances of the region. This role involves coordinating with local trainers to maintain the quality of the reinforcement-based learning experience. Alex Luévano drives operational excellence by optimizing service delivery processes and ensuring that client outcomes align with the company mission. Through the management of regional resources, Luévano facilitates the expansion of the brand in South America. By focusing on consistent performance improvement, Luévano ensures that the firm delivers high-value solutions to clients across the region.

Jill Risberg, the Chief Operating Officer & Business Owner at Sandler, directs the daily operations and strategic growth of the business unit. Risberg oversees the integration of performance improvement solutions into the daily practices of client organizations, ensuring that the reinforcement-based learning model produces tangible results. As the Chief Operating Officer & Business Owner, Risberg manages the balance between operational efficiency and the delivery of high-quality training experiences. This role involves leading teams to achieve excellence in communication and leadership development. Jill Risberg drives the success of the business by fostering a culture of continuous improvement and practical application. By aligning operational activities with the core philosophy of the firm, Risberg ensures that clients receive the support needed to achieve sustainable growth. Through dedicated leadership, Risberg maintains the high standards of the brand while expanding the reach of the training programs.

Stevie Depew, the Chief of Staff at Sandler, coordinates the operational activities of the executive leadership team to ensure alignment with corporate goals. Depew manages the flow of information between departments, facilitating efficient decision-making processes that support the company mission. As the Chief of Staff, Depew oversees the execution of strategic projects that enhance the delivery of performance improvement solutions. This role involves streamlining internal communications and ensuring that all leadership initiatives remain focused on the core methodology of the firm. Stevie Depew drives organizational efficiency by identifying bottlenecks and implementing solutions that improve cross-functional collaboration. By maintaining a clear view of the operational landscape, Depew supports the Chief Executive Officer in achieving long-term growth objectives. Through diligent management of executive priorities, Depew ensures that the organization remains agile and responsive to the evolving needs of the global training market.

Scott Johnson, the Chief Revenue Officer at Sandler, directs the global sales strategy and revenue generation efforts for the organization. Johnson oversees the development of high-impact sales training programs that demonstrate the value of the company methodology to prospective clients. As the Chief Revenue Officer, Johnson manages the alignment of sales teams with the overarching goal of delivering measurable performance improvement. This role involves identifying new market opportunities and refining the sales funnel to ensure consistent growth. Scott Johnson drives revenue by fostering a culture of continuous coaching and practical application within the sales organization. By leveraging data-driven insights, Johnson optimizes the delivery of training solutions to meet the specific needs of diverse industries. Through strategic leadership of the revenue function, Johnson ensures that the firm remains a dominant force in the professional training landscape.

Paula Driesell, the Chief People Officer at Sandler, manages the human capital strategy and organizational culture of the firm. Driesell oversees talent acquisition, employee development, and performance management to ensure that the company attracts and retains the best professionals in the training industry. As the Chief People Officer, Driesell aligns the internal workforce with the core mission of empowering individuals through behavior-driven learning. This role involves creating programs that foster professional growth and leadership development within the organization itself. Paula Driesell drives the success of the company by cultivating an environment where attitudes, behaviors, and techniques are prioritized. By collaborating with other executives, Driesell ensures that the internal culture reflects the high standards of the training solutions provided to clients. Through strategic management of human resources, Driesell supports the long-term growth and operational effectiveness of the entire organization.