• Provide fair balanced presentations and medical information in response to unsolicited questions as appropriate in academic, community, and healthcare provider settings • Develop and execute US territory and KOL engagement plans to enable high-quality, impactful scientific engagement and education. • Gather and lead reporting of medical and clinical insights that contribute to enhancement of Ultragenyx’s key medical positions, plans, future research and development efforts. • Analyzes KOL’s scientific point of view on Ultragenyx’s medical and scientific positions on rare diseases and executes appropriate action plan • Provide field-based medical affairs assistance for clinical research initiatives supported by the company, related to Investigator Initiated Trials, or other collaborative research and initiatives • Collaborate with the Clinical Operations organization to enhance patient enrollment in company-sponsored clinical trials by identifying appropriate clinical trial sites and interacting with investigators in ongoing studies • Leads projects/initiatives internally and represents medical affairs cross-functionally • Represent Ultragenyx at scientific conferences and meetings, engaging with KOLs and collating scientific data insights. Provide leadership to plan impactful medical engagement activities and deliver timely post-congress insight and competitive intelligence reporting. • Partner cross-functionally in assigned region, to optimize customer experience • Ensures all activities are compliant with company policy and procedures, which includes documentation of all relevant MSL activities in CRM platform, management of travel and expense budget, and accurate and timely completion of administrative reports, projects, and required training.

• Establish a respectable PharmaEssentia presence in the medical community. • Identify and develop relationships with the medical community, thought leaders, and treatment advocates. • Liaise and support the development of key and regional opinion leaders within a broad customer segmentation (community clinics, integrated delivery networks (IDNs), academic centers, etc.). • Provide high quality medical and scientific support/communications to internal and external customers (e.g., advisory board meetings, regional training courses/workshops together with KOL/ROL, support of speakers with presentations and literature research) • Lead medical education (disease statement, guidelines, and product information upon FDA approval). • Manage studies and ensure that proposals are aligned with medical objectives within PharmaEssentia locally and globally. • Ensure study projects are in line with commercial objectives. • Maintain a high level of scientific and technical expertise in hematology, oncology, and blood disorders. • Develop and increase knowledge of medical literature. • Prepare and present critical reviews of scientific publications and congresses, internally and externally. • Complete necessary documentation in order to ensure knowledge preservation (e.g., CRM reports). • Utilize the necessary tools to develop and follow up on strategic measures (project plans). • Write and ensure timely submission of locally relevant abstracts at congresses. • Provide cross-functional support for Market Access and other Medical Affairs activities. • Monitor competitor activities and marketplace changes.

• Deliver individualized MNT, including assessment, nutrition diagnosis, interventions, monitoring, and evaluation. • Support members in managing comorbidities, dietary supplements, and probiotics. • Apply evidence-based strategies (e.g. FODMAP diet, elimination diets, mindful eating) to relieve symptoms and improve quality of life. • Use counseling skills (MI, TTM, strengths-based care) to help members move through the stages of change. • Guide members in building self-efficacy and advocacy, while providing education, SMART goal-setting, and accountability. • Document sessions in line with clinical guidelines and company standards. • Collaborate with an interdisciplinary team to ensure optimal, coordinated care. • Practice in alignment with HIPAA, state, and federal regulations, following our Clinical Pathways and scope of practice, while collaborating with or referring to other disciplines as outlined in our escalation guidelines. • Maintain strict confidentiality of members’ Protected Health Information (PHI) in compliance with HIPAA and our confidentiality agreement.

• Serves as a key relationship and operational liaison between group and the organization’s Care Management/Utilization Management (CM/UM) programs • Supports provider engagement, education, and issue resolution related to referrals, prior authorization/intake processes, and care management programs • Partners with internal UM/CM, Intake, Claims, Network, and Operations teams to ensure providers have clear guidance, timely responses, and consistent service—supporting compliant, high-quality care and a positive provider experience • Build professional, service-oriented relationships with provider offices, facilities, and ancillary organizations through outbound outreach (phone/email/virtual meetings) and timely follow-up • Respond to routine provider inquiries; research and resolve issues within defined turnaround times, using established policies, job aids, and escalation pathways • Provide basic education to providers and office staff on submission requirements, required documentation, timelines, and available CM/UM resources • Route requests to the appropriate internal team (Intake, UM/UR, CM, Claims, Network, Operations) and monitor through closure; communicate status updates to providers as appropriate • Document provider interactions, inquiries, and outcomes accurately in designated systems; maintain complete, professional records • Support provider experience initiatives by identifying service gaps, reporting recurring issues, and recommending updates to job aids or FAQs • Educate providers and office staff on health plan requirements, benefits, prior authorization processes, and care management programs