mBIOTA Labs · 1 day ago
Executive Business Assistant to Multi-Entity Founder
Santa Monica, CA
Full-time
Onsite
Mid Level
$85K/yr - $110K/yr
3+ years expmBIOTA Labs is seeking a highly reliable and detail-oriented Executive Business Assistant to support the Founder across her entrepreneurial ventures, primarily focusing on real estate portfolio management and health innovation. The role involves business administration, project execution, and real estate operations, requiring strong organizational skills and proactive engagement in a fast-paced environment.
Dietary SupplementsFood and BeverageMedicalWholesale
Responsibilities
Support day-to-day operations of the Founder’s real estate portfolio, including leasing coordination, renovations, and property management oversight
Serve as a central point of follow-up for property-related matters - ensuring open items are tracked, escalated when needed, and resolved
Act as the coordination point for urgent property issues (e.g., loss of heat, gas leaks, water issues), ensuring vendors, property managers, or emergency services are engaged promptly and issues are addressed and closed out
Maintain clear records related to properties, vendors, and ongoing projects
Travel approximately 4 times per year to specific property locations to support oversight, inspections, or project coordination
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
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
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
Qualification
Required
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 - you reliably close loops
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 commutable proximity to Santa Monica, CA (this is a full-time in-office role)
Preferred
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
Benefits
Comprehensive medical, dental, and vision insurance
401(k) with employer match
A collaborative, high-trust team culture that values initiative, curiosity, and growth
Company
mBIOTA Labs
mBIOTA Labs offers medical food products like mBIOTA Elemental for digestive health conditions, used under medical supervision.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Krystyna Houser
Chairman and Founder
Recent News
Company data provided by crunchbase