Sigma Executive and Leadership Team

Marcello Gallo, the Chief Revenue Officer at Sigma, directs all global sales initiatives and market expansion strategies. Overseeing the entire revenue lifecycle, the Chief Revenue Officer ensures alignment between customer acquisition goals and the cloud-native analytics platform capabilities. This leadership role involves scaling sales teams across North American and international markets to capture enterprise demand for agentic analytics. By optimizing the sales funnel and fostering strategic partnerships, Marcello Gallo directly impacts the company's growth trajectory. The Chief Revenue Officer maintains rigorous focus on customer success metrics, ensuring that every client leverages the full potential of the platform for data-driven decision-making. Through constant collaboration with product and marketing departments, Gallo secures long-term financial stability and market dominance for the organization, driving consistent revenue performance while maintaining high standards of service delivery across all regional operations.

Jonathan Avrach, the Field Chief Technology Officer at Sigma, architects technical solutions that bridge the gap between complex cloud data warehouses and end-user requirements. Overseeing technical field engagements, the Field Chief Technology Officer ensures that the platform effectively addresses specific industry use cases for large-scale enterprises. This leadership role involves translating advanced AI and Python capabilities into practical, actionable workflows for business users. By guiding technical teams through complex deployments, Jonathan Avrach directly impacts the adoption rate of the platform across diverse global sectors. The Field Chief Technology Officer maintains deep technical expertise to support sales engineering and customer success initiatives, ensuring that the product roadmap remains responsive to real-world data challenges. Through continuous innovation and technical advocacy, Avrach drives the evolution of the platform, ensuring that the company remains at the forefront of the agentic analytics market while maintaining robust security and governance standards.

Amitabh Pathy, the Chief Operations Officer at Sigma, directs internal business processes and organizational scaling to support rapid growth. Overseeing operational infrastructure, the Chief Operations Officer ensures that all departments function with maximum efficiency while maintaining centralized governance and control. This leadership role involves streamlining cross-functional workflows to support the deployment of cloud-native AI applications. By optimizing internal systems and resource allocation, Amitabh Pathy directly impacts the company's ability to deliver consistent value to users. The Chief Operations Officer maintains a focus on operational excellence, ensuring that the organization scales effectively across international markets without compromising data security or compliance. Through strategic oversight of internal projects and administrative functions, Pathy supports the broader mission of accelerating decision-making for clients. The Chief Operations Officer fosters a culture of accountability and precision, ensuring that every operational initiative aligns with the long-term strategic goals of the company.

Ali Harmer, the General Counsel at Sigma, directs all legal affairs, regulatory compliance, and risk management strategies. Overseeing the legal framework for the cloud-native platform, the General Counsel ensures that all data-driven work remains compliant with global security standards and privacy regulations. This leadership role involves managing intellectual property, contract negotiations, and corporate governance to protect the company's market position. By providing legal guidance on AI and data automation, Ali Harmer directly impacts the trust and reliability of the platform for enterprise clients. The General Counsel maintains a focus on mitigating legal risks while enabling business agility, ensuring that the organization navigates complex regulatory landscapes across international jurisdictions. Through proactive legal strategy and board-level advisory, Harmer secures the company's operational integrity. The General Counsel ensures that all business practices adhere to the highest standards of consistency and compliance, supporting the overall mission of providing a secure, governed environment for data analysis.