Junior Client Success Coordinator — Trials

Massive Bio; California (MO); On-site; USD 52,000 - 65,000; Full time

Job summary

Massive Bio is seeking a Junior Associate Client Success Manager to coordinate daily client communications, meetings, and documentation. You will support cross-functional teams to ensure requests, decisions, and actions are tracked to completion.

The role emphasizes organization, proactive follow-up, and accurate record-keeping for study sites and client interactions. You will help maintain timely communications and update internal trackers and materials.

Qualifications

• Ideal candidate is highly organized, detail-oriented, responsive, and able to manage multiple priorities.

Responsibilities

• Support day-to-day client communications and timely follow-up.
• Coordinate client meetings, scheduling and materials.
• Assist with preparation of client-facing agendas and messaging.
• Attend client meetings and prepare comprehensive meeting minutes.
• Distribute minutes and follow-up communications to stakeholders.
• Maintain action item trackers with owners and deadlines.
• Proactively follow up with internal teams on outstanding requests.
• Circulate client feedback and updates to cross-functional teams.
• Translate client requests into internal actions with clear owners and deadlines.
• Track dependencies and escalate overdue items to the Client Success Manager.
• Maintain study site lists and recruitment/activation details in systems.
• Keep client and study documents organized and up-to-date.
• Assist with recurring client reporting and data collection.
• Prepare for meetings by identifying outstanding items and timelines.
• Ensure consistent communication across teams to keep deliverables on track.

Skills

Highly organized

Detail-oriented

Strong communication

Time management

Cross-functional collaboration

Responsive

Job description

Massive Bio is seeking a Junior Associate Client Success Manager to coordinate daily client communications, meetings, and documentation. You will support cross-functional teams to ensure requests, decisions, and actions are tracked to completion.

The role emphasizes organization, proactive follow-up, and accurate record-keeping for study sites and client interactions. You will help maintain timely communications and update internal trackers and materials.