Roles Needed & Example People
Roles
1. Principal Investigator & Clinical Lead (MD)
Contract Type: full_time_employee
Contract Type Justification: The PI is the core scientific and operational authority, making high-level, controlling decisions (protocol integrity, safety, ethics). This demands a dedicated, salaried position for consistent leadership.
Explanation:
The core scientific and operational authority responsible for protocol integrity, clinical safety, ethical oversight, and final scientific direction (Aims 1, 2). They bridge the clinical exclusions/inclusions with the technical data capture.
Consequences:
Immediate halt to the project. Without a board-certified physician, the facility cannot legally or ethically admit or monitor patients, especially given the exclusion criteria and need for escalation response.
People Count:
1
Typical Activities:
Leading mandatory external scientific advisory board meetings; final adjudication of all recruited participants against complex exclusion checklists; supervising night technician responses to high-risk events; signing off on all ethics amendments and patient safety reports; ensuring adherence to AASM scoring criteria during high-level review; overseeing the recruitment pipeline integrity chaired by the Study Coordinator.
Background Story:
Dr. Elias Vogel, based in Göttingen, Germany, is a board-certified sleep medicine physician who completed his residency and fellowship at the Charité in Berlin, followed by a specialized clinical research fellowship focused on the pathophysiology of complex nocturnal events. Elias possesses deep expertise in polysomnography interpretation (AASM criteria), clinical exclusion pathway adjudication, and large-scale ethical protocol management, skills honed through leading two previous multi-site clinical trials involving extended patient monitoring. He is intimately familiar with the specific complexities of differentiating NREM parasomnias from nocturnal epilepsy mimics, making him the ideal authority to ensure participant safety and protocol fidelity for this novel residential unit, directly governing the success of Aim 1.
Equipment Needs:
Secure, dedicated workstation with high-resolution monitor for protocol oversight, access to real-time suite status dashboards (via Data Engineer's system), secure digital access to all participant files, and encrypted communication suite for urgent safety consultation.
Facility Needs:
Private, acoustically managed office space proximate (but separate) from the residential unit for clinical review and advisory board meetings, with stable, high-speed network connection to the main NAS/UKB systems.
2. Research & Methodology Postdoc (Sleep Neurophysiology)
Contract Type: full_time_employee
Contract Type Justification: Postdocs drive long-term scientific output (Aim 2 phenotyping methodology) and require dedicated availability and integration into the residential unit's iterative validation process over the 3-year term.
Explanation:
Responsible for designing and executing the tiered sensing validation (Aim 1) and leading the longitudinal phenotyping analysis (Aim 2). This role ensures the captured data aligns with established sleep medicine standards (AASM).
Consequences:
Risk of poor scientific rigor. Aim 2 characterization and publication quality will suffer due to a lack of specialized neurophysiology expertise to interpret subtle NREM event morphology differences.
People Count:
1
Typical Activities:
Designing and executing the scheduled enhanced PSG validation nights; developing Standard Operating Procedures (SOPs) for nightly sensor calibration and drift checks; performing lead analysis for Aim 2 phenotyping studies, focusing on event morphology clusters; training technicians on nuanced artifact rejection specific to the low-burden sensors; periodically reviewing the IRR results with the independent raters.
Background Story:
Dr. Lena Schuster, hailing from Zurich, Switzerland, specialized in Sleep Neurophysiology at the SCRU unit in Liège before joining the Bonn team. Lena's background bridges clinical observation with advanced EEG analysis, specializing in the subtle morphological changes of NREM arousals captured over long durations. She has extensive experience utilizing wireless/low-burden EEG systems in naturalistic settings and is crucial for validating the data quality from the dry-electrode headbands against gold-standard PSG montages, directly impacting the feasibility of Aim 2's longitudinal characterization.
Equipment Needs:
High-performance workstation for signal processing and statistical analysis, license for specialized neurophysiology analysis software (e.g., EEGLAB/FieldTrip/custom MATLAB toolboxes), reference PSG system access for scheduled comparison nights, and dedicated lab space for headset/sensor calibration tools (e.g., impedance testers).
Facility Needs:
Access to a dedicated, secure analysis workstation room separate from the main residential area, and on-demand access to one of the equipped sleep suites during scheduled PSG nights for validation tasks.
3. Research & Methodology Postdoc (Computational Neuroscience)
Contract Type: full_time_employee
Contract Type Justification: The Computational Neuroscience Postdoc is central to developing and benchmarking the complex triage algorithms (Aim 3), a core deliverable requiring deep, dedicated integration over the project life cycle.
Explanation:
Responsible for driving the development, testing, and benchmarking of the semi-automated event-triage tools (Aim 3). Acts as the primary liaison between the Data Engineer and the Scientific Lead for algorithm refinement.
Consequences:
Failure to deliver Aim 3 deliverable. Manual review burden will exceed capacity, stalling the project timeline and preventing the reduction of annotation throughput bottleneck.
People Count:
1
Typical Activities:
Leading the development and iterative testing of semi-automated event-triage algorithms using the adjudicated data as ground truth; managing the computational benchmark comparisons between the low-burden streams and full PSG data; collaborating closely with the Data Engineer to optimize data processing flow; reporting on the sensitivity and specificity metrics required for Aim 3 validation at the 36-month mark.
Background Story:
Dr. Kenji Tanaka, educated at the Max Planck Institute in Tübingen, brings a strong background in computational neuroscience with a specific focus on time-series signal processing and classification algorithm development. Kenji previously worked on benchmarking kinetic models against high-fidelity optical motion capture systems, providing him with the exact skills needed to translate raw, multi-modal sensor data (mattress, EEG, video) into statistically useful metrics for Aim 3. His role is to anchor the creation of the semi-automated event-triage tools necessary to manage the heavy annotation burden.
Equipment Needs:
High-performance computing cluster access (potentially via University HPC) for iterative algorithm training, specialized software environment (e.g., Python/R environment with relevant ML/signal processing libraries), access to the local NAS for reading adjudicated data sets, and GPU acceleration hardware if needed for data triage benchmarking.
Facility Needs:
A designated, secure workstation environment near the Data Engineer for close collaboration on data flow integration and efficient access to the raw/annotated data streams for Aim 3 development.
4. Data Pipeline & Infrastructure Engineer
Contract Type: full_time_employee
Contract Type Justification: The Data Engineer manages the crucial, complex, and continuous sensor pipeline, synchronization, and backup system. This requires consistent dedication to technical stability and engineering work for Aim 1 validation and Aim 3 progress.
Explanation:
Owns the entire data flow lifecycle: time-synchronization of tiered sensors, local NAS management, nightly encrypted backup validation, and ensuring EEG-BIDS compatibility. Essential for technical sustainability (Aim 1) and Aim 3 tool deployment.
Consequences:
Catastrophic data loss or severe data integrity issues. The tiered, time-synchronized acquisition model cannot function securely, immediately invalidating all captured data.
People Count:
1
Typical Activities:
Maintaining the time-synchronization integrity across all EEG, contact-free, and camera streams; managing local NAS capacity, security hardening (encryption), and automated backup validation schedules; ensuring all deposited data strictly adheres to the EEG-BIDS format; troubleshooting real-time hardware connectivity issues; structuring secure data access for the two postdocs and the two independent raters.
Background Story:
Jonas Richter, a highly experienced Data Engineer from Frankfurt, immigrated to Bonn specifically for this project, bringing expertise in managing large-scale, decentralized data streams in compliance with stringent German security regulations. Jonas is the architect of the EEG-BIDS compatible pipeline, managing the local NAS infrastructure, ensuring time-synchronization across all eight suites, and overseeing the nightly encrypted transmission to the university archives. His role is foundational to the technical sustainability of Aim 1 and the functional accessibility required for Aim 3 development.
Equipment Needs:
Servers/NAS hardware (16+ TB capacity for local storage, high sustained write speed rated), Network infrastructure (routers, switches, cabling tools for 8 suites), Comprehensive license for time-synchronization software suite, and encrypted server management software for managing remote university backup connections.
Facility Needs:
A locked, climate-controlled server/closet space adjacent to the residential units to house the local NAS and network core, with secure, high-bandwidth connection capability, independent of the residential suites' domestic ambiance.
5. Clinical Research Study Coordinator
Contract Type: full_time_employee
Contract Type Justification: The Study Coordinator handles the high volume of ongoing logistical, administrative, and compliance tasks (recruitment, scheduling, ethics), which are continuous operational requirements for Aim 1 sustainability.
Explanation:
Manages all logistical, administrative, and regulatory aspects (recruitment funnel, consent, ethics compliance, scheduling across 8 suites, compensation processing). Essential for hitting DFG milestones and managing governance.
Consequences:
Severe timeline slippage and regulatory risk. Inability to handle the volume of recruitment/consent paperwork, leading to failure in meeting the 18-month enrollment gate (Risk 6).
People Count:
1
Typical Activities:
Managing the three primary recruitment channels (clinic, referrals, DGSS network); processing and auditing participant consent forms daily; scheduling the 3 research technicians across all shifts; processing participant compensation and managing extension documentation; ensuring all regulatory documentation is current for the 6-month Scientific Advisory Board reviews.
Background Story:
Sofia Müller, raised just outside Bonn, is the organizational backbone, having previously managed recruitment for large neurology studies at UKB. Sofia excels at navigating German research bureaucracy, securing ethics renewals, managing the intricate scheduling for nine staff across 24/7 residential care, and processing participant compensation (€80/night). She is directly responsible for ensuring the project meets aggressive enrollment targets (Risk 6) and avoids protocol breaches that could stop enrollment.
Equipment Needs:
Dedicated desktop/laptop workstation for administrative tasks, licensed/updated administrative software (scheduling, budgeting software, HR/payroll interface for German social security), document management system access (for DUA/Ethics logs), and secure video conferencing equipment for external board meetings.
Facility Needs:
A shared administrative office space with reliable phone/internet infrastructure, separate from the high-security clinical monitoring zones, large enough for coordinating scheduling across 8 suites and managing paperwork flow.
6. Specialized Research Technician Pool
Contract Type: part_time_employee
Contract Type Justification: The 3 Research Technicians rotate night shifts for 24/7 coverage of 8 suites. Given the high safety criticality and need for continuous physical presence (escalation response), dedicating salaried time for these rotating shifts, though potentially structured as part-time assignments per rotation cycle, aligns best with ensuring guaranteed coverage.
Explanation:
The rotating team responsible for direct, real-time execution of safety protocols, environment monitoring, tiered hardware deployment/teardown, and initial real-time event annotation across 8 suites 24/7. They manage the physical embodiment of Aim 1.
Consequences:
Staffing safety failure (Risk 1). Insufficient coverage for 8 suites leads to compromised participant safety, immediate ethics suspension post-incident, and burnout, collapsing the operational model.
People Count:
min 3, max 4, depending on project scale and workload
Typical Activities:
Conducting nightly setup and verification of all 8 suites' tiered sensing hardware; performing real-time event flagging and initial annotation based on low-burden data; executing the initiation checklist for escalation PSG deployments; ensuring strict adherence to residential safety protocols (window alarms, padded corridors); performing scheduled sensor recalibrations to combat drift.
Background Story:
The Research Technician pool, staffed by three individuals (Max, Clara, and Ben) who rotate through Bonn’s challenging night shifts, are the frontline implementers of Aim 1. They are trained extensively in clinical safety response, low-burden sensor deployment, and real-time, initial event annotation. Their ability to rapidly and safely implement an escalation PSG sequence following a trigger dictates the operational margin of safety for the entire facility.
Equipment Needs:
Personal mobile devices (encrypted) for shift handover logs and real-time communication; specialized physical tools for hardware setup/teardown (sensor mounts, dry electrode application kits); access keys/biometrics for all restricted safety areas; mandated personal protective equipment (PPE) specific to residential environment safety protocols.
Facility Needs:
Access to shared central staging/prep area for sensor calibration and nightly room turnover, on-duty rest/sleep facilities (secure break room) meeting German labor guidelines, and immediate physical proximity/access to all 8 active sleep suites 24/7.
7. Clinical Psychologist & Behavior Specialist
Contract Type: full_time_employee
Contract Type Justification: The Clinical Psychologist is essential for pre-admission vetting of complex exclusion criteria (substance use, psychiatric stability) and requires consistent input throughout participant onboarding, justifying a dedicated FTE role.
Explanation:
Manages clinical exclusion criteria vetting (substance use, psychiatric stability) during admission, advises on data interpretation related to mood/arousal, and supports collateral history taking. Essential for ethical participant placement.
Consequences:
Increased risk of retaining ineligible or unsafe participants, leading to ethical breaches (Risk 4) or data contamination from psychiatric mimics of parasomnia.
People Count:
1
Typical Activities:
Administering structured assessments related to major substance use disorder exclusion; evaluating collateral history regarding severe psychiatric history; providing debriefing support for participants following high-arousal events; advising the PI on participant suitability for extended stays and monitoring modifications based on behavioral stability.
Background Story:
Dr. Ingrid Bauer, a clinical psychologist based in Cologne, focuses intensely on the ethical placement and safety stratification of participants entering the residential setting. Her specialization allows her to perform rigorous vetting against the critical exclusion criteria concerning psychiatric instability or active substance use, ensuring the residential environment does not pose undue risk. Ingrid is responsible for maintaining the clinical integrity of the screening process, which is a crucial pre-requisite for the PI and Study Coordinator's final sign-off.
Equipment Needs:
Secure, encrypted laptop for client interviews, standardized clinical assessment forms (digital and hardcopy), secure data entry access to the central participant database reflecting exclusion criteria status, and reliable conference line access for collateral history calls.
Facility Needs:
A private, soundproofed consultation room within the facility for structured intake interviews, ensuring confidentiality during psychiatric/substance use evaluations prior to admission.
8. Independent Adjudication & Quality Assurance Contracting
Contract Type: independent_contractor
Contract Type Justification: The two independent scorers perform specialized, periodic tasks (adjudication/consensus scoring) based on data availability, rather than controlling daily operations. This fits the model for outsourced, quality-control-focused specialty work.
Explanation:
Contracted specialists who provide the necessary second human scoring pass and consensus building for all events. This team serves as the reference standard for Aim 2 and the benchmark for Aim 3 triage tools.
Consequences:
Failure to establish Inter-Rater Reliability (IRR) or a credible reference standard. The core scientific deliverables (Aim 2 phenotyping and Aim 3 benchmarking) become unverifiable and unusable for high-impact publication.
People Count:
2 (representing the two independent scorers)
Typical Activities:
Independently scoring full PSG data epochs acquired during enhanced and escalation nights; meeting bi-weekly (or as per Decision 12) to resolve inter-rater discrepancies and achieve final consensus on adjudicated events; participating in calibration reviews with Dr. Schuster to maintain consistency with the central scoring lexicon; providing final sign-off on the Inter-Rater Reliability reports.
Background Story:
The Independent Adjudication team consists of two contracted, highly experienced sleep disorder specialists (Dr. Klaus and Dr. Sophie) who operate remotely, ensuring scoring independence from the day-to-day operations in Bonn. Their primary function is to establish the definitive 'gold standard' by scoring events across the tiered modalities, achieving the mandated Kappa of 0.75. They are essential for validating Aim 2 phenotyping and verifying the reference truth set for Aim 3 benchmarking.
Equipment Needs:
High-specification, dual-monitor workstations designed for EEG scoring, licensed AASM scoring software interfaces (for both NREM and RBD protocols), secure VPN/VPN-equivalent access to the central NAS for reading time-locked data segments, and secure physical storage for any locally cached adjudicated data.
Facility Needs:
A secure, shared, quiet office location, separate from the active monitoring suites, enabling focused, long-duration visual assessment of time-synchronized physiological data streams (EEG, EMG, EOG, ambient video).
Omissions
1. Missing Dedicated Data Curation/Annotation Manager
The team structure relies on Postdocs (Neurophysiology/CompSci) and Night Technicians for annotation and data quality assurance. This creates significant workflow conflict: Postdocs should focus on analysis (Aim 2/3) and Technicians on safety/capture (Aim 1). The high volume of dual scoring and BIDS formatting is currently unmanaged by a dedicated specialist, creating a bottleneck risk (Decision 7).
Recommendation:
Create the role of a 'Data Curation Specialist' (Contract Type: Full-Time Employee/Contractor). This role would manage the AASM scoring software, ensure strict adherence to BIDS format post-capture, lead the coordination between the two independent raters, and track IRR metrics, thus freeing the Postdocs for core analytical tasks.
2. Lack of Specified Role for Facility Maintenance and Safety Certification
The project involves extensive physical renovation, strict safety modifications (padded edges, alarms), and ongoing maintenance in a residential setting. While technicians handle monitoring, there is no dedicated role responsible for long-term building compliance, safety system upkeep (alarms, fire safety), or managing the interface with the structural engineer/local building authorities.
Recommendation:
Integrate specialized maintenance oversight. For this scale, the Study Coordinator's existing duties should be formally expanded, or a dedicated administrative task should be assigned: The Study Coordinator (Sofia Müller) must immediately coordinate with the PI to secure a Service Level Agreement (SLA) with a local German engineering/maintenance firm for weekly checks on safety hardware (alarms, window locks), allocating budget contingency for this operational necessity (Risk 1 mitigation).
3. Undefined Protocol for Secondary RBD Enrollment/Screening Handoff
The RBD protocol is distinct, requiring 'dedicated neurologic screening' off-site (Assumption Q5) before admission. The current team lacks a dedicated liaison or coordinator role to manage the scheduling, tracking, and strict data segregation required for this separate protocol, risking contamination or administrative error (Risk 4).
Recommendation:
The Clinical Psychologist (Dr. Bauer) should take formal ownership of the RBD screening adherence, serving as the liaison for the off-site neurologic screening appointments. Concurrently, the Study Coordinator must establish a separate tracking spreadsheet/database partition for RBD candidates to enforce strict data segregation (as advised in pre-project assessment/Decision 13).
4. Missing Strategy for Sensor Maintenance and Recalibration
The success of the Tiered Sensing Model (Aim 1/3) critically depends on the longevity and stability of the dry-EEG headbands and mattress sensors over three years. The assumed expertise (from Related Resources) for mandatory weekly/annual calibration drift checks is not assigned to a specific staff member, leading to potential data quality degradation (Risk 3 / Missing Assumption 1).
Recommendation:
Assign formal responsibility for hardware longevity and calibration QA/QC to the Research & Methodology Postdoc (Sleep Neurophysiology, Dr. Schuster). Her role should explicitly include developing and monitoring the weekly sensor verification protocols against the scheduled PSG events.
Potential Improvements
1. Clarify PI's Adjudication/Attribution Boundary in Recruitment
The PI adjudicates borderline screening cases (Decision 4, Choice 3), but the Study Coordinator handles general recruitment/consent. If the PI is overloaded, borderline cases slow down, threatening the 18-month gate. The boundary between PI clinical vetting and SC's administrative processing needs rigidity.
Recommendation:
Define a hard threshold for PI intervention: The Study Coordinator must immediately flag any case where exclusion status is 50% uncertain, and the PI must provide final adjudication within 18 hours (as per pre-project assessment). Once enrolled, all data/scheduling/compensation handling reverts strictly to the Study Coordinator.
2. Formalize Escalation Support Backup to Mitigate Technician Burnout
The 'Builder' strategy relies heavily on escalation triggers, increasing manual review time for technicians, which risks breaching German labor law limits (Assumption Q4) and technician safety (Risk 1). The 3-technician pool has no guaranteed paid backup.
Recommendation:
Budget for and contract a pre-approved, on-call, certified external technician (or an agency pool) for immediate surge support. This contingency—formalized by the PI and Study Coordinator—should be scoped to cover 20 hours per month initially, using the dedicated overtime budget identified in the missing assumptions review.
3. Streamline Independent Rater Engagement for IRR
The project requires two independent raters and ongoing consensus reviews (Decision 12), but the frequency/coordination is vague. This delays Aim 3 development if adjudication lags, or risks poor IRR if rushed.
Recommendation:
Standardize the annotation cadence: Independent Raters (the contractors) must submit their independent scores within 5 days of receiving the data package from the Data Engineer. Mandatory consensus meetings/calibration checks (Decision 12, Choice 1) must then occur on the first and third Tuesday of every month, regardless of event volume, to enforce IRR consistency.
4. Clarify Scope of Control Group Use in Triage Development
The control group data is crucial for benchmarking the triage tool (Aim 3) against residential noise. However, the plan does not specify how the control data (4-night stays) will be isolated from the NREM data used for training the triaging model, risking model overfitting to control group artifacts.
Recommendation:
The Computational Postdoc (Dr. Tanaka) must create a segmented dataset schema where the control data (tagged clearly with their 4-night protocol ID) is explicitly ring-fenced and used only for validation/noise subtraction in the final benchmark phase, never for initial algorithm training iterations.