Executive Business Assistant (Founder's Office)

About the Role

mBIOTA Labs is seeking a resourceful and analytically minded

Executive Business Assistant

to support the Founder across her entrepreneurial ventures - including her leadership at a health innovation company and the management of a growing real estate portfolio.

Role Description

This is a

full-time, in-office role based in Santa Monica

, working closely with the Founder in a fast-paced, high-growth environment. You'll play a key role in managing operations, projects, and business administration across multiple entities.

This role is ideal for someone early in their career who's hungry to learn, strong with numbers and organization, and excited to gain hands-on exposure to entrepreneurship, real estate, and business management. You'll have the opportunity to work directly with the Founder, learning how ventures are built and managed from the inside out.

Key Responsibilities

Business & Financial Administration

Maintain organized systems across multiple LLCs and ventures, ensuring documentation, filings, and compliance are current.

Build and update Excel-based models, trackers, and reports to monitor budgets, investments, and key financial metrics.

Support coordination with accountants, attorneys, and financial advisors, helping prepare materials or summaries as needed.

Assist in the creation and management of entity-level records, contracts, and performance dashboards.

Operations & Project Management

Drive execution on cross-functional projects, tracking deliverables, timelines, and next steps across the Founder's ventures.

Manage vendor and contractor communication, ensuring clarity and accountability.

Support real estate portfolio operations — including leasing, renovations, and property management coordination.

Research and implement tools or systems to improve efficiency and transparency across projects.

Executive & Strategic Support

Serve as an extension of the Founder - anticipating needs, helping prioritize initiatives, and keeping key workflows moving.

Coordinate with the Founder's Personal Household Assistant to align business and personal scheduling logistics.

Review agreements, flag decision points, and provide concise summaries or action plans.

Prepare materials, presentations, and internal summaries to support business discussions and investor or partner meetings.

What We're Looking For

• 3–5 years

of experience in operations, business administration, or project coordination.

Strong proficiency in

Excel or Google Sheets

comfortable managing budgets or building light financial models.

Exceptional organizational skills and attention to detail.

Excellent communication, discretion, and professional judgment.

A proactive mindset - you take initiative, think critically, and follow through with minimal supervision.

Comfortable in a startup-like, fast-paced environment with evolving priorities.

Based in proximity to

Santa Monica, CA (in-office role)

Bonus Points If You

Have experience supporting a founder, investor, or executive managing multiple business entities.

Bring familiarity with real estate operations, investment tracking, or professional services coordination.

Enjoy building systems and solving problems independently.

Aspire to grow into a Business Manager, Strategic Operations Lead, or Chief of Staff–type role in the future.

Compensation & Benefits

$75,000 – $125,000, depending on experience and fti

Comprehensive medical, dental, and vision insurance

401(k) with employer match

A collaborative, high-trust team culture that values initiative, curiosity, and growth