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Head of Clinical Development

Montai Therapeutics · Cambridge, MA

Clinical Development Montai Therapeutics Posted Apr 21, 2026

What if… you could join an organization that creates, resources, and builds life sciences companies that invent breakthrough technologies in order to transform health care and sustainability?

Montai Therapeutics is a privately held, biotechnology company focused on harnessing AI to decode untapped diverse chemistry to develop breakthrough oral medicines that can address persistent unmet needs in chronic disease. With our CONECTA™ platform, Montai has built the world’s leading foundation models for decoding the complex language between nature’s bioactive chemistry and human biology – supercharging the drug discovery process with unprecedented optionality and predictability.

The company has curated and annotated a collection of over 1B Anthromolecules™ and Anthrologs™, which are derived from molecules humans have chronically consumed in food, supplements and herbal medicines. This has enabled efficient access to chemistry with vast untapped structural diversity and the potential to selectively and precisely modulate complex biology. Montai is rapidly advancing a pipeline of first-in-class oral medicines for validated biological pathways in inflammation and immunology – focused on biologic replacements and historically difficult to drug transcription factors.

Position Summary:

We are looking for an experienced Head of Clinical Development, reporting to our Chief Executive Officer, to have overall accountability for the development and implementation of small molecule clinical programs in the therapeutic areas of immunology/inflammation at Montai Therapeutics. We are seeking a highly motivated, collaborative, results-oriented individual with the creativity, resourcefulness, and flexibility to excel in our growing organization.

Specifically, the Head of Clinical Development will play a pivotal role in driving the successful transition of programs from research to clinical development and will contribute to shaping the clinical strategies that span from candidate discovery to human proof-of-concept. As a leader of our clinical development strategy, this role is responsible for crafting and integrating clinical development plans in alignment with research, translational, nonclinical, regulatory and strategic priorities. This individual will also ultimately oversee those responsible for supporting program operations, resource planning, and interactions with internal governance and external partners. This role is ideal for an experienced individual passionate about translating cutting-edge science into innovative medicines through rigorous, thoughtful and collaborative development planning and execution.

Key Responsibilities:

Develop programmatic clinical strategy; oversee implementation of clinical programs in line with the clinical strategy and ensure patient safety and data integrity
Collaborate closely with Project Leaders, Research, Leadership, and External Advisors/KOLs to define and refine clinical hypotheses and development strategies
Integrate clinical plans with translational, nonclinical, and regulatory development strategies to enable seamless progression from exploratory studies to FIH trials
In collaboration with R&D colleagues, drive and/or oversee the design, execution, analysis, interpretation, and reporting of early stage and more advanced clinical studies in a matrixed and highly collaborative team environment
Incorporate regulatory input, operational feasibility, and real-world data to ensure robust and executable development strategies
Serve as a Medical Monitor (to include clinical pharmacology, including first in human, DDI, proof of mechanism/concept) for early and possibly more advanced clinical studies; serve as Project Team Leader for clinical stage programs
Assess trade-offs and build alignment with team members to enable informed programmatic decision-making
Support development and implementation of program biomarker plans and ensure successful implementation at study sites
Lead/author clinical portions of regulatory submissions and responses to regulatory agency questions; as appropriate, serve as a company representative for regulatory interactions
Proactively identify and address development risks and bottlenecks, drive resolution across functional interfaces
Oversee growing internal and external clinical operations functions and support, including cross-functional leadership and collaboration with quality, CROs, regulatory, and medical writing teams

Required Experience:

MD or MD, PhD with at least eight years of relevant experience in the biopharmaceutical industry, including significant small molecule drug development work
Educational and/or industry background in immunology and inflammation
Prior experience as a functional leader (e.g., early clinical development, clinical pharmacology, translational/ experimental medicine)
Broad understanding of biopharmaceutical drug development, including working knowledge of relevant ICH and GCP guidelines and regulations
Proficiency in developing and nurturing key partnerships and collaborations with external parties, including investigators, KOLs, CROs, and the broader scientific community (including academia, governmental, or nonprofit organizations), as well as internal discovery and preclinical functions
Record of significant and successful contributions to regulatory submissions, including INDs or CTAs, and regulatory agency interactions
Experience managing collaborations with consultants, pharmaceutical partners, CROs, and other external organizations is desirable
Aptitude in serving as a subject matter expert and mentor across the organization
Clear, and excellent written and oral communication skills
Experience delivering effective presentations to both technical and non-technical audiences
Proven leadership skills, with the ability to collaborate and convey strategic implications to diverse stakeholders
History of attracting, retaining, and developing world-class talent
Strong strategic thinking and critical thinking skills for identifying and addressing bottlenecks while optimizing cross-functional processes
Proactive and adaptable in demanding environments, with an operational mindset to improve efficiency and achieve strategic goals

Desired Skills & Competencies:

Excellent written and oral communication skills
Experience delivering effective presentations to both technical and non-technical audiences
Proven leadership skills, with the ability to collaborate and convey strategic implications to diverse stakeholders.
Strong strategic thinking and critical thinking skills for identifying and addressing bottlenecks while optimizing cross-functional processes.
Proactive and adaptable in demanding environments, with an operational mindset to improve efficiency and achieve strategic goals.

Location: Cambridge, MA

More About Flagship Pioneering

Flagship Pioneering conceives, creates, resources, and develops first-in-category life sciences companies to transform human health and sustainability. Since its launch in 2000, the firm has, through its Flagship Labs unit, applied its unique hypothesis-driven innovation process to originate and foster more than 100 scientific ventures, resulting in over $50B in aggregate value. To date, Flagship has deployed over $2.2B in capital toward the founding and growth of its pioneering companies alongside more than $18B of follow-on investments from other institutions. The current Flagship ecosystem comprises 41 transformative companies, including Axcella Health (NASDAQ: AXLA), Denali Therapeutics (NASDAQ: DNLI), Evelo Biosciences (NASDAQ: EVLO), Foghorn Therapeutics (NASDAQ: FHTX), Indigo Ag, Kaleido Biosciences (NASDAQ: KLDO), Moderna (NASDAQ: MRNA), Rubius Therapeutics (NASDAQ: RUBY), Sana Biotechnology, Seres Therapeutics (NASDAQ: MCRB), and Sigilon Therapeutics (NASDAQ: SGTX).

Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

The salary range for this role is $360,000 - $415,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Montai Therapeutics currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Montai Therapeutics's good faith estimate as of the date of publication and may be modified in the future.

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Senior Accountant

Montai Therapeutics · Cambridge, MA

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Accounting & Finance Montai Therapeutics Posted Apr 21, 2026

Montai Therapeutics, Inc., is based in Cambridge, Massachusetts and was founded in 2019 by Flagship Labs, the innovation branch of Flagship Pioneering, which is a venture capital firm that invests in biotechnology, life sciences, health and sustainability companies. The Company is a privately held company focusing on its CONECTA^TM platform to identify new small molecule medicines known as Anthromolecule^TM therapeutics for chronic diseases.

Montai is seeking an experienced and talented accounting professional to join a first-in-category organization. The Senior Accountant will be an instrumental player in the month end close, will be responsible developing and implementing new accounting policies and procedures to scale within the organization, provide business insights to our leaders to measure progress on company performance, and assist with enhancing companywide financial reports, including enhanced analytics, cash flow management and consolidated reporting. This role will report to the Controller.

Key Responsibilities:

Perform and assist with month-end and quarter end close accounting tasks including preparation of journal entries ensuring compliance with US GAAP
Conduct monthly and quarterly account reconciliations to ensure accurate reporting and ledger maintenance
Review of P&L accounts to resolve classification issues
Ensure that reconciliations, supporting schedules and analysis are completed on a timely basis and in accordance with the monthly closing schedule
Partner with Controller to develop and update annual budget and monthly forecasts
Preparation and assistance with month end analytical review of actual versus budget/forecast
Provide Ad-Hoc Reporting and Analysis
Monitor and review new accounting pronouncements and implement where necessary
Responsible for annual fixed asset observation and asset tracking
Assists with internal and external reporting and, when applicable, with drafting and tie-out of the financial statements
Ensures internal controls compliance for the responsible area, including implementing improvements to enhance the efficiency of current controls
Supports the external audit firm in their annual audit
Supports income tax provision and tax return process
Assists with specific projects and initiatives unique to a fast-growing biotechnology start-up, such as system implementations, updates and business process improvements and other ad hoc projects

Qualifications:

Bachelor’s degree in accounting is required
CPA and 2-3 years of Big Four public accounting experience is preferred
1-2 years of biotechnology or life science industry experience preferred
Substantial experience with GAAP financial reporting
Extensive experience with Microsoft Excel and Word
Detail-oriented personality
Ability to manage multiple projects in a fast-paced environment
Experience with NetSuite a plus
Must have excellent analytical skills, with very strong attention to detail
Ability to work both independently and in a collaborative team setting
Flexibility and ability to adapt to changing conditions and different culture
Ability to work within and meet all deadlines while executing on multiple deliverables
Ability to identify errors and root causes of errors, develop workable solutions or alternatives
Flexible, personable team-player, comfortable in a fast-paced, small company environment
Proven ability to set and meet ambitious deadlines, handle numerous multifaceted financial matters and see projects through to conclusion
Strong written and verbal communication skills and demonstrated ability to work collaboratively with both scientists and management
Ability to distill complexity and to communicate decisively with sound judgment
Ability to self-motivate and function independently, driven towards superior effort and performance and the desire to work in a very dynamic environment

Location: Hybrid role in Cambridge, MA

Montai is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

More About Flagship Pioneering

Flagship Pioneering is a bioplatform innovation company that invents and builds platform companies, each with the potential for multiple products that transform human health or sustainability. Since its launch in 2000, Flagship has originated and fostered more than 100 scientific ventures, resulting in more than $90 billion in aggregate value. Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture. Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

#LI-NM1

The salary range for this role is $88,000 - $121,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Montai Therapeutics currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Montai Therapeutics's good faith estimate as of the date of publication and may be modified in the future.

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Senior Platform Engineer

Montai Therapeutics · Cambridge, MA

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IT Montai Therapeutics Posted Apr 21, 2026

What if… you could join an organization that creates, resources, and builds life sciences companies that invent breakthrough technologies in order to transform health care and sustainability?

Montai Therapeutics is a privately held, early-stage biotechnology company developing a platform for understanding and leveraging complex molecular interactions within organisms to solve global challenges in human health and sustainability. The company leverages a multidisciplinary approach that integrates tools ranging from machine learning and big data to multi-omics and high-throughput screening.

At Montai, we nurture a bold, spirited, and leading-edge culture dedicated to strengthening human health:

We are one team with omnidirectional trust, empowered and accountable
We are strong as individuals but stronger as a team and we are committed to excellence
We have a sense of urgency and persistence, and we are crazily confident that we can make a difference
We need to be comfortable with the uncomfortable and be rigorous and we recognize that failure is data
We care for diversity in people, thought, personality, opinions, background and distinctiveness
We have a sense of humor to help us manage through our strategic noise

About the Role

We are looking for a Senior Platform Engineer to strengthen and scale the AWS-based infrastructure that powers our products and teams. This role is about designing the backbone that accelerates our innovation and growth. You will take on complex engineering challenges, drive automation to make deployments faster and more reliable, and build resilient systems that empower our teams to deliver at scale.

Why join us? Here you will be at the center of real innovation, working with the latest cloud technologies, pushing the boundaries of automation, and creating state-of-the-art tools that enable our users and teams to do their best work. If you are passionate about building platforms that make a measurable difference and want to help shape the future of how we deliver technology, this role is for you.

What You Will Do

Design, build, and maintain AWS infrastructure (ECS, EC2, RDS, S3, IAM, VPC) or similar services from other cloud providers (GPC, Azure)
Develop backend services and integration tooling to support critical systems
Implement and improve CI/CD pipelines (GitHub Actions, CodePipeline)
Drive automation to ensure deployments are fast, reliable, and repeatable
Ensure platform reliability with monitoring, logging, and alerting (CloudWatch, Sentry)
Collaborate with team members across engineering to integrate and scale services
Lead troubleshooting and root cause analysis of infrastructure issues

What We Are Looking For

6+ years of experience in Platform, DevOps, or Backend Infrastructure Engineering
Strong hands-on expertise with AWS services (ECS preferred)
Advanced Python programming skills
Proficiency with infrastructure-as-code (AWS CDK and CloudFormation, Terraform)
Experience with CI/CD automation and production systems
Strong grasp of reliability, scalability, and security best practices
Experience with containers and orchestration (Docker, ECS)
Exposure to data/ML infrastructure and supporting advanced workloads

More About Flagship Pioneering

Flagship Pioneering is a bioplatform innovation company that invents and builds platform companies, each with the potential for multiple products that transform human health or sustainability. Since its launch in 2000, Flagship has originated and fostered more than 100 scientific ventures, resulting in more than $90 billion in aggregate value. Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture. Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

The salary range for this role is $108,000 - $176,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Montai Therapeutics currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Montai Therapeutics’s good faith estimate as of the date of publication and may be modified in the future.

Ready to apply?

Apply to Montai Therapeutics

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Montai Therapeutics

View all jobs →