---
title: 'Executive Assistant to CEO at Rubicon Carbon'
canonical: 'https://feeny.ai/job/executive-assistant-to-ceo-rubicon-carbon-nyc-dgbry0wx4efx'
type: 'job'
last_seen: '2026-10-29'
---

# Executive Assistant to CEO at Rubicon Carbon

- **Company:** Rubicon Carbon
- **Location:** Nyc, La, OR Sf
- **Posted:** 2026-10-28
- **Last confirmed live:** 2026-10-29
- **Apply:** https://job-boards.greenhouse.io/rubiconcarbon/jobs/4748520005

## Job description

Company

Rubicon Carbon is a next-generation carbon solutions provider. Led by a world-class management team, Rubicon is an innovative platform that channels capital to unlock at-scale decarbonization projects and delivers trusted, enterprise-grade solutions for carbon credit purchases. Rubicon strives to deliver greater scale, confidence, and innovation across all facets of the carbon market and meet the growing demand for end-to-end, high-integrity emissions reduction solutions.

Position Overview:

The Executive Assistant serves as the primary point of contact for internal and external constituencies on all matters pertaining to the office of the CEO. The Executive Assistant also serves as a liaison to the board of directors and senior management teams; organizes and coordinates executive outreach and external relations efforts; and oversees special projects.

The Executive Assistant must be proactive, organized, and enjoy working within a small, very fast-paced, entrepreneurial environment that is mission-driven, results-driven, and community oriented. The ideal individual will have the ability to exercise good judgment in a variety of situations, with strong written and verbal communication, administrative, and organizational skills, and the ability to maintain a realistic balance among multiple priorities. The Executive Assistant will have the ability to work independently to manage projects, from conception to completion, and must be able to work under pressure at times to handle a wide variety of activities and confidential matters with discretion.

- This is a hybrid position, with up to 3 days per week required in-office -

## Responsibilities

- Support CEO’s prioritization, calling out urgent matters to help enable the team to effectively focus on the mission, goals, and priorities of the organization. Anticipate the needs of the executive team, plan ahead and be resourceful.
- Scheduling for CEO: Manage the CEO's calendar, prepare materials, and anticipate their needs. Quickly and efficiently schedule meetings with participants, both internal and external to Rubicon Carbon, exercising good judgment to balance competing priorities, and resolve conflicting needs with little to no guidance.
- Be the main contact for communications with individuals trying to access the CEO. Communicate effectively and keep all stakeholders informed, manage internal and external communications, and ensure transparency.
- Cultivate positive relationships with employees, partners, customers, and investors.
- Manage the setup and day to day functioning of the office spaces in SF, LA, and NYC
- Coordinate CEO travel booking, itineraries, expense management and invoicing
- Maintain confidentiality and protect operations by having a high level of discretion.
- Manage the planning and execution of organization events, such as All Hands meetings, company offsites, and quarterly leadership team meetings  to support culture building across our team.
- Manage other projects and initiatives: Take ownership of key projects for all members of the leadership team, set goals, track progress, and ensure successful completion. Proactively anticipate challenges and develop solutions to keep them moving forward.
- Assist with building our team by managing interview scheduling as needed
- All other duties as assigned

## Requirements & Skills

- At least five years of experience as a Chief of Staff, Project Manager, or Executive Assistant to a C-Suite member in tech, banking/finance, and/or climate.
- Strong attention to detail and next-level organization skills: You can juggle multiple priorities, manage complex projects, and keep everyone on track. This includes, for example, heavy calendar scheduling for busy individuals across time zones, and expense reporting and tracking for multiple account/card holders.
- Strategic thinker: You can understand the big picture and anticipate future needs, proactively developing plans and processes to support them.
- Problem-solving pro: You can quickly absorb and filter information, and identify issues before they become problems. You are great at developing creative and effective solutions that keep things moving forward.
- Master communicator: You can clearly and concisely convey information to all levels of the organization, across all forms of communication (email, slack, text, phone, in-person)
- Team player: You're a joy to work with, have a positive attitude, and are always willing to help others succeed.
- Advanced knowledge of Microsoft Office, Google Suite, Slack, Zoom and Adobe Acrobat.
- Startup, climate tech, or renewables industry experience preferred, plus a passion around climate and sustainability
- Ability to be onsite at the Marina del Rey, San Francisco, or New York City office at least 3 days  per week

## Compensation

The approximate annual base compensation range for this position is $120,000 to $140,000. The actual offer, reflecting the total cash compensation package and excellent benefits, will be determined by a number of factors including the applicant's experience, job-related knowledge, skills, and abilities, as well as internal equity among our team, among other factors.

## About Rubicon Carbon

## Company Overview
- **One-liner**: Rubicon Carbon is a next-generation carbon solutions platform that helps enterprises achieve their climate goals by building risk-adjusted, high-integrity carbon credit portfolios.
- **Entity Type**: Private (Series A-equivalent; raised $300M venture round)
- **Headquarters**: Marina del Rey, California, United States
- **Founded**: 2022
- **Founders**: Tom Montag (CEO) and Dr. Jennifer Jenkins (Chief Science Officer) are the key founding leaders; the company is backed by TPG Rise Climate.

## Core Business
- **Primary industry**: Carbon markets, climate solutions, environmental services
- **Target customers**: Large enterprises, global corporations (B2B) seeking to offset emissions and meet sustainability targets (e.g., Microsoft, ByteDance)
- **Mission or purpose**: To help end the climate crisis through market-driven solutions by mobilizing capital toward verifiable, high-impact climate projects.

## Products & Services
- **Rubicon Carbon Tonne (RCT)**: A flagship, curated portfolio of carbon credits (both avoidance and removal) designed to reduce risk and increase optionality for corporate buyers. It is independently rated by BeZero Carbon.
- **Rubicon Rated Tonne**: A diversified portfolio of carbon credits that have been independently rated for quality and impact.
- **Bespoke Portfolio Building**: Custom carbon credit portfolios tailored to a client’s unique climate and sustainability goals, with expert evaluation and risk management.
- **Carbon Project Investment & Supply**: Direct investment in and sourcing of high-quality carbon projects (e.g., forestry, nature-based solutions, industrial carbon removal).
- **Data-Driven Tracking & Reporting**: Tools to track, optimize, and report on the impact of carbon credit investments.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (private company).
- **Key Metric**: Total funding of **$300M** (venture round closed November 2022 from TPG Rise Climate). Estimated annual revenue of **$3.0M** (per LinkedIn data).
- **Notable Investors/Partners**: **TPG Rise Climate** (lead investor); notable clients include **Microsoft** (2 million tonnes carbon removal credits from Kijani Forestry project) and **ByteDance** (purchased 100,000+ RCT units).
- **Growth Signals**: Headcount grew **28.9% YoY** (37 employees as of mid-2025); opened a **Singapore office** to scale in Asia; secured major enterprise deals (Microsoft, ByteDance); active job postings up **150% year-over-year**.

## Competitive Advantages
- **Scientific Rigor**: Led by Dr. Jennifer Jenkins (co-recipient of the 2007 Nobel Prize with IPCC scientists and inventor of the “Jenkins Equations”), ensuring verifiable, measurable climate benefits.
- **Institutional Backing**: Backed by TPG Rise Climate, providing deep expertise in clean energy and carbon markets, plus a strong balance sheet.
- **Risk-Managed Portfolios**: Diversified, independently rated credit portfolios reduce buyer risk compared to single-project purchases.
- **Market Credibility**: High-profile clients (Microsoft, ByteDance) and a focus on transparency and higher standards in the voluntary carbon market.

## Strategic Focus
- **Scaling in Asia**: The new Singapore office is a key hub for expanding carbon markets in the region.
- **Building the Carbon Market Infrastructure**: Focus on combining science, finance, and technology to create a trusted, scalable platform.
- **Demand Generation**: Supporting coalitions like the ARC Coalition to mobilize demand and financing for carbon credits.
- **Product Innovation**: Continuously developing new products (e.g., Non-CO2 Climate Solutions) to address diverse climate needs.

## Why Work Here
- **Mission-Driven**: A clear, urgent mission to combat climate change through market-based solutions. The team is described as “scientists, technologists, strategists, and finance leaders” united by climate urgency.
- **Culture & Values**: Emphasizes **adaptability**, **perseverance**, and **ownership** in a fast-paced, constantly evolving industry.
- **Growth Opportunities**: Rapidly growing company (28.9% headcount growth YoY) with a lean team (~37 people), offering high ownership and impact.
- **Work Environment**: Remote/hybrid-friendly with offices in **San Francisco, New York, Los Angeles, and Singapore**. Roles span science, finance, sales, and technology.
- **Leadership**: Led by seasoned executives from Goldman Sachs, Bank of America, and top climate science. A flat, collaborative structure where “everyone is an owner.”
- **Notable Perks**: Backed by TPG, offering stability and resources of a major climate fund. Opportunity to work on cutting-edge climate solutions with top-tier clients.

## Sources
1. [Rubicon Carbon Official Site – About Us](https://rubiconcarbon.com/about-us/)
2. [Rubicon Carbon Official Site – Home](https://rubiconcarbon.com/)
3. [Rubicon Carbon Official Site – Our Team](https://rubiconcarbon.com/our-team/)
4. [Rubicon Carbon Careers – Greenhouse](http://job-boards.greenhouse.io/rubiconcarbon)
5. [Rubicon Carbon – LinkedIn Company Page](https://www.linkedin.com/company/rubicon-carbon)
6. [Rubicon Carbon – Microsoft Deal Announcement](https://rubiconcarbon.com/)
7. [Rubicon Carbon – ByteDance Deal Announcement](https://rubiconcarbon.com/)

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