Business Executive Assistant

Help us translate breakthrough neuro-nanotechnology into life-changing products.

Location: Bay Area, USA
On-site: Palo Alto

Position Type: Full-Time

About Subsense
Subsense is a deep-tech company developing the world’s first non-surgical, bidirectional brain-computer interface powered by plasmonic and magnetoelectric nanoparticles. Our mission is to unlock direct communication between the human brain and AI — starting with medical applications such as stroke recovery and moving toward cognitive enhancement for healthy users. Headquartered in Palo Alto, Subsense brings together leading scientists and engineers to redefine the future of human–machine interaction.

The Opportunity

The Business Executive Assistant serves as a strategic and trusted partner to the CEO, supporting high-impact business, communication, and organizational initiatives. This role blends executive support with business acumen — managing communications, preparing materials for investors and partners, and driving execution on key priorities that advance the company’s mission and growth. Potential to grow into a Chief of Staff role.

What You’ll Do (first 12 months)

• Partner directly with the CEO to prioritize, plan, and execute key business initiatives and strategic deliverables.
• Draft, edit, and prepare executive communications, including investor updates, internal announcements, and CEO LinkedIn content.
• Develop concise briefing materials, reports, and talking points for meetings, presentations, and external engagements.
• Coordinate and track strategic action items to ensure timely follow-through and accountability across leadership teams.
• Serve as a connector between the CEO and internal teams to ensure clarity of objectives, deliverables, and messaging.
• Prepare business summaries, performance updates, and documentation for leadership and board meetings.
• Support project coordination on high-priority operational and business development efforts.
• Maintain the CEO’s professional presence through clear, consistent, and polished written and digital communications.
• Draft and manage public-facing posts, thought-leadership content, and messaging aligned with company voice and goals.
• Collaborate with PR and Operations to align internal and external communication strategies.
• Proactively build and manage the CEO’s strategic network and key relationships.

What You Bring

Must-have experience

• 5+ years of experience supporting senior executives, preferably in a high-growth tech companies
• Exceptional writing, editing, and communication skills — able to synthesize complex ideas into clear, engaging messages.
• Strong business judgment, discretion, and ability to anticipate needs in a dynamic environment.
• Advanced proficiency in Google Workspace or Microsoft 365; Chat GPT and other LLMs, experience with project and communication tools (Notion, Slack, Asana, etc.).
• Highly organized with a bias for action and attention to detail.
• A strong sense of aesthetics and the ability to create visually appealing presentations
• Self-directed and outcome-oriented, comfortable owning complex initiatives end to end.
• Fluent in English (written and spoken).

Critical competencies

Executive partnership and business acumen · Strategic prioritization and judgment · High-impact written and verbal communication · Cross-functional coordination and influence · Organizational and time management excellence · Anticipatory thinking and proactive problem-solving · Confidentiality and discretion · Brand and messaging alignment · Adaptability in dynamic, fast-paced environments · Stakeholder management and relationship building · Operational follow-through and reliability · Professional polish and executive presence · Growth mindset and continuous improvement orientation

Why Subsense

• Mission with massive impact – Help invent and deliver a first-in-class neuromodulation platform
• Ownership – Shape strategy, team, and culture from an early stage
• World-class advisors & investors – Work with leading neuroscientists, clinicians, and deep-tech VCs
• Speed & autonomy – Small, senior team shipping on three-month sprint cycles
• Competitive package – Market-aligned salary, meaningful equity and generous benefits