Join Us

Seattle, Washington, United States
Executive Assistant
Business Support
At Lyell, our vision is to develop curative cell-based immunotherapies for solid tumor cancers. We have innovative science originating from our founder’s world class labs and a unique and disruptive approach to research and development. Our company is first and foremost focused on understanding the science. We are a learning organization, dependent on deep collaborative relationships between all of our colleagues, partners and founders. Our culture is based on Science, Respect, Collaboration and Courage and it reflects who we are and the environment we are creating.


You will have the opportunity to work directly with C-level executives and be responsible for performing a number of administrative duties including managing calendars, organizing meetings, welcoming visitors and managing the travel arrangements for senior-level executives. You'll serve as a link between the executive and Lyellites to help them be more effective in their role.


  • Prepare internal and external corporate documents for team members and industry partners.
  • Uphold a strict level of confidentiality.
  • Work collaboratively with existing Administrative team.
  • Manage complex calendars, meeting arrangements.
  • Manage Travel coordination and Expense Reimbursement.
  • Arrange and manage internal and external events.
  • Be the point of contact between the executives and company employees/clients and manage information flow.
  • May oversee the performance of other clerical and administrative staff.
  • Screen and direct phone calls and distribute correspondence.
  • Create or enhance processes for the team and broader organization.


  • BA preferred or equivalent of education.


  • Minimum of 5 years of experience as an Executive Assistant reporting directly to senior management.
  • Experience managing to a budget and with multiple deadlines required.


  • Advanced Microsoft Office skills, with an ability to become familiar with firm-specific programs and software.
  • Proficiency in collaboration and delegation of duties.
  • Strong organizational, project management and problem-solving skills with impeccable multi-tasking abilities.
  • Exceptional interpersonal skills with a professional, friendly demeanor.
  • Highly self-motivated, professional, collaborative, and capable of managing their own workload and prioritizing tasks in a fast-paced start-up environment.
  • Ability to work across teams and with a variety of projects and constituencies.

At Lyell, we believe that highest performing teams include people from a wide variety of backgrounds and experiences who respectfully challenge each other. We are committed to building an open, diverse and inclusive culture for all employees.

Lyell is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.
The Company complies with all laws respecting equal employment opportunity and does not discriminate against applicants with regard to any protected characteristic as defined by federal, state, and local law.  This position requires you to work onsite at the Company’s facilities and the Company requires that all employees working in its facilities be fully vaccinated (except as required by applicable law).  Therefore, this position requires you to be fully vaccinated from COVID-19, subject to reasonable accommodations for medical or religious reasons, and/or as otherwise required by applicable law.  The Company considers you fully vaccinated once 14 days have passed since you received either the second dose in a two-dose COVID-19 vaccine series or a single-dose COVID-19 vaccine.  The vaccine must have been FDA approved, have emergency use authorization from the FDA, or, for persons fully vaccinated outside of the U.S., be listed for emergency use by the World Health Organization.”
We’ve learned from experience that some of the best people don’t always match our requirements perfectly - if you’re interested and think you could fit, please don’t hesitate to apply.
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