People
At Mirum, we provide our employees with the opportunity to develop and deliver medicines that can potentially change and save lives for our patient communities. This mission transforms our work into more than just a job. We strive to nurture a work environment where our purpose and values can be shared and where people have a voice, create and collaborate, and have meaningful personal and professional experiences. Our employees are inspired every day to go to incredible lengths to make a positive difference for people living with rare diseases.
Talent Attraction and Retention
From early-stage research and clinical trial management to commercialization, our employees’ expertise covers a wide range of disciplines within rare disease and pharmaceutical drug development. Our approach to hiring talent at Mirum is one that is strategic, inclusive, and tailored to the needs of our organization. To attract, retain, and develop talent, we have implemented practices that promote a diverse work culture.
We simplified the recruiting process to minimize barriers and developed a screening process to assess candidates’ skills and cultural fit. During the interview process, we showcase initiatives and programs that emphasize a diverse and inclusive environment, and we highlight opportunities for career growth and professional development. We utilize multiple sources to recruit talent globally, including online job boards, social media, and websites, and have established a large employee referral network as well as professional networking platforms.
Mirum has consistently experienced lower turnover rates compared to the industry average across all levels, including executives and senior managers, mid-level managers, and professionals.
Compensation and Benefits
We care about our employees’ physical and financial wellness and value work-life balance. We offer a competitive salary and benefits package and consider flexible work arrangements.
Our general benefits package includes:
- Paid Parental Leave
- Medical, Dental, and Vision Insurance with 100% Company Paid Premium for employees
- Basic Life Insurance & AD&D
- Short-Term & Long-Term Disability Insurance
- 401(k) Retirement Plan with 4% employer match
- Pre-Tax Commuter Benefits
- Employee Assistance Program (EAP)
- Supplemental Health Insurance
- 11 Paid Company Holidays, as well as a 5-Day shutdown during December
- 4 Weeks of Accrued Vacation Time per Year
We also provide additional offerings focused on career development and financial wellness, including:
- Mirum Employee Stock Purchase Plan (ESPP): Employees are eligible to purchase Mirum stock at a discount
- Tuition Reimbursement for certain continuing education, programs, and/or in an area related to their current position and/or career development
- Mobile Phone and Internet Reimbursement
Employee Engagement
We seek to make all of our employees feel welcomed and valued.
2025 Global Engagement Survey
Our most recent employee engagement survey revealed three strengths that showcase the positive sentiment among our workforce:
- Purposeful Work: 96% of employees are proud to work for Mirum. Employees emphasized the meaningfulness of their work, noting that they strongly believe in our organization's purpose and its impact on improving the lives of patients. This underscores a shared commitment to our mission, contributing to a sense of fulfillment among our team.
- Warm Onboarding Experience: 93% of employees felt welcomed when they joined our organization. This positive onboarding experience sets the tone for their tenure, fostering a sense of belonging and laying the groundwork for long-term engagement.
- Impactful Contributions: 97% of employees expressed they knew how their work contributes to the goals at Mirum. This indicates a strong connection between individual roles and the broader mission of our organization, reinforcing a sense of purpose and accomplishment among our employees.
>90% would recommend Mirum as a great place to work, are proud to work here, and felt welcome when they joined.
We are proud of these strengths and remain committed to further enhancements through continuously listening to and addressing the needs and feedback of our valued employees.
Career Development and Training
At Mirum, we are dedicated to enabling continuous professional development and supporting career advancement for our employees.
Our offerings include:
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Tailored Manager Workshops: In-person and virtual sessions covering leadership skills, effective communication, and team management.
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HR Coaching: The HR department offers individual coaching sessions on a case-by-case basis. This personalized approach ensures that employees receive guidance and support tailored to their unique career goals and challenges.
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Internal Hiring and Lateral Transfers: We actively focus on internal hiring and facilitate lateral transfers to enable employees to explore new roles and learn additional skills. This approach not only supports career advancement but also contributes to the overall growth and diversification of our workforce.
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Leadership Commitments: Our leadership team has crafted these commitments based on employee feedback, our core values, competencies, and valuable input from our managers. These commitments—Trust Builders, Action Heroes, Feedback Fuel, Lead with Heart and Team Unity —are designed to strengthen our culture and guide our growth.
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Professional Development: Mirum supports employee development through a tuition reimbursement program, offering up to $5,000 annually (in local currency) for eligible continuing education, certification programs, and job-related courses. This initiative is designed to help employees enhance their skills, advance their careers, and grow within the organization.
- Direct Feedback Framework (“Go Direct”): Mirum equips employees and managers with the tools and confidence to engage in clear, respectful, and transparent feedback exchanges. This framework strengthens manager–employee relationships, promotes trust and open dialogue, and supports consistent communication across teams, enabling individuals to feel heard, aligned, and empowered to grow.
These offerings are part of our commitment to creating a dynamic and supportive work environment, where employees can continuously develop their skills, pursue career growth opportunities, and achieve their professional aspirations.
Diversity and Inclusion
We strive toward having a diverse team of employees and are committed to diversity, equity, and inclusion (DEI) in the workplace. As part of this commitment, we have established a Culture Team that includes employees across a representative cross-section of departments in both the U.S. and our international offices. Our Culture Team engages in continual discussions across the various business functions to identify potential actions to address areas of improvement and is focused on building accountability across the organization to ensure we meet our diversity objectives.
In our most recent engagement survey, employees highlighted Mirum’s ongoing commitment to fostering a diverse, equitable, and inclusive workplace. Many employees recognized efforts such as inclusive hiring practices, the celebration of diverse cultural events, and an environment that encourages open dialogue and values a wide range of perspectives across teams and levels. At the same time, employees also identified opportunities to further strengthen diversity of thought and representation, particularly across leadership and broader employee groups. These insights reinforce our commitment to continuous improvement. In addition, we regularly evaluate our compensation practices with an external firm to promote pay equity across our workforce. We remain focused on evolving our DEI initiatives to better meet the needs and expectations of our diverse and growing workforce.
Mirum’s 2025 EEO-1 Employee Diversity Statistics
358 full-time global employees as of December 31, 2025
Gender
| Executives/ Senior Managers |
Mid-Level Managers |
Professionals |
| 52% |
63% |
69% |
| 48% |
37% |
31% |
| 100% |
100% |
100% |
Ethnicity*
| Executives/ Senior Managers |
Mid-Level Managers |
Professionals |
| 0% |
0% |
3% |
| 29% |
30% |
48% |
| 3% |
6% |
8% |
| 3% |
5% |
20% |
| 63% |
52% |
22% |
| Two or More Races |
3% |
7% |
0% |
4% |
| 100% |
100% |
100% |
*Statistics are reported only for U.S. and Canadian employees. EU employees were excluded from the analysis, and 4% of U.S. employees chose not to disclose their ethnicity.
Community Engagement
We actively engage with the communities in which we operate. Our employees participate in hands-on volunteering events, such as Earth Day beach-clean ups and Little Free Library build events. These initiatives not only contribute to a positive company culture but also emphasize our commitment to social responsibility and community involvement.
Anti-Harassment Policy
We strictly prohibit unlawful discrimination and harassment in all its forms and strive to maintain a safe, respectful work environment for all our employees. We conduct comprehensive sexual harassment prevention training for all our U.S. employees, ensuring full compliance with local legislation.