Chief of Staff

Location: New York City (NoHo) – In Person Type: Full Time About Onyx is a fast-growing, venture-backed social sports prediction platform. As user activity has scaled quickly, we’re expanding the team to support platform discrepancies and day-to-day operations. Founded by Harvard graduates with a background at Jane Street, Onyx is headquartered in downtown Manhattan. This role is in-office. Role Overview We are seeking a highly organized, strategic, and execution-focused Chief of Staff to work directly alongside the CEO on high-priority initiatives across the company. This role will serve as a key strategic and operational partner to the CEO, helping drive cross-functional alignment, improve internal processes, and ensure critical initiatives move efficiently from concept to execution. The ideal candidate is proactive, analytical, adaptable, and thrives in fast-paced startup environments where priorities evolve quickly. This person will operate as a trusted partner to the CEO, helping manage organizational priorities, streamline communication, and support decision-making across the business. Key Responsibilities Partner directly with the CEO to drive strategic initiatives and company-wide operational priorities Act as an extension of the CEO to improve communication, alignment, and execution across departments Manage and coordinate cross-functional projects across product, engineering, operations, marketing, analytics, and business development teams Track company goals, strategic initiatives, and KPIs to ensure accountability and progress across the organization Prepare reports, presentations, briefing materials, and updates for leadership meetings, investors, and external stakeholders Identify operational inefficiencies and implement scalable systems and processes to improve execution and communication Support hiring, onboarding, recruiting coordination, and broader organizational initiatives as the company continues to scale Assist the CEO with special projects, partnerships, and other high-impact business initiatives as needed Help maintain organizational focus and ensure CEO priorities are clearly communicated and effectively executed Requirements 3+ years of experience in consulting, operations, project management, strategy, startup operations, investment banking, or a related field Strong organizational and project management skills with exceptional attention to detail Excellent communication and interpersonal skills Ability to manage multiple priorities and operate effectively in a fast-paced environment Highly analytical with strong problem-solving capabilities Comfortable working cross-functionally with both technical and non-technical teams High level of professionalism, discretion, and sound judgment Experience at a startup, technology company, sports company, or high-growth environment is strongly preferred Interest in sports analytics, predictive technology, or sports media is a plus What We Offer Competitive salary and performance-based incentives Opportunity to work directly with company leadership on high-impact initiatives Significant growth opportunities within a rapidly expanding company Collaborative, entrepreneurial, and fast-moving team culture Exposure to cutting-edge sports data and predictive technology Location This role is based full-time in our NoHo office in New York City and is in person. Please note: We do not offer employment visa sponsorship for this position. Compensation 100,000 – 180,000 USD , based on experience and qualifications. #J-18808-Ljbffr