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.