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Resolutely focused on science

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Our Mission

We’re Exert Therapeutics, a clinical-stage biotechnology company dedicated to transforming the lives of patients with rare diseases. Led by industry experts, we're developing innovative oral small molecule therapies to revolutionize the treatment of rare genetic disorders.

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Pioneering science to transform lives in MPS

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Our Motivation

We’re evolving treatments for Mucopolysaccharidoses (MPS), a group of lysosomal storage disorders with critical unmet needs.

With long experience working in lysosomal storage disorders, and MPS in particular, our team have met many families affected by MPS and worked with expert physicians dedicated to help them.

Witnessing the determination of those affected by MPS drives us to want to make a difference.

Find out more about MPS:

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Inspired by their courage

Mucopolysaccharidoses (MPS) explained
Mucopolysaccharidoses (type I to VII) are caused by the lack of an enzyme due to a genetic defect.
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These enzymes are needed to break down glycosaminoglycans (GAGs), which build up in the cells and damage them.
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Devastating diseases leading to a reduced life expectancy and very poor quality of life.
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Find out more about MPS:

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Our Science

We’re looking to change the way that MPS is treated by delivering treatments that aim to go beyond current therapies, leading to a more complete therapeutic response.

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Determined to make a difference in MPS

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PROGRAM 1

The lead program has demonstrated promising Phase IIa clinical proof-of-concept data in mucopolysaccharidosis type VI (MPS VI) and holds the potential to address other MPS subtypes. 

PROGRAM 2

Our second program is a novel discovery-stage therapy for MPS III with a unique mechanism of action. 

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Contact Us

Ready to Partner with Us?
Contact us today.

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David Boothe

Co-founder and CEO

David has over 30 years of industry experience with 20+ spent in rare diseases, during which he led the commercial launches of several drugs, including  the current treatment for MPS VI.

GSK | BioMarin | Spark | Shire | Orion 

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William Hariri

Co-founder and CBO

William has 12 years of Corporate Development experience with senior management positions in investment banks and in a clinical stage biotech as CBO. He has led numerous successful transactions.

Alira Health | Locust Walk | Enterome 

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Dr Aidan Gill

Medical Advisor

UK-registered Physician with 20+ years in Rare Diseases, spanning all phases of drug development globally. Expertise from clinical trial to strategic leadership.

Shire | PTC | Roche | Takeda

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John Watson

Regulatory Advisor

John has 40+ years of experience in regulatory affairs, having led the approval of numerous rare disease and paediatric drugs.

Pharmion | NPS | ViroPharma | Zogenix | Biogen

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Dr Tony Clarke

Drug Development Advisor

Tony has extensive leadership experience in R&D and has led multiple companies through acquisitions and global development efforts.

Brabant | Huxley | Amarin | Alexa | Zogenix

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Dr Philippe Monteyne

Strategic Advisor 

Partner at Aliath Bioventures, is a seasoned life sciences investor and former GSK and Sanofi executive. A neurologist with a PhD, he led the development of key treatments like Cervarix and Strimvelis. He serves on biotech boards across Europe and teaches in Brussels.

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We're looking to change the way that rare diseases are treated

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Investment opportunity

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Late-stage opportunity

Late-stage opportunity with near term value inflection points (phase IIb and III readout, regulatory filing, approval within 3 to 4 years)

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Multidisciplinary team

Multidisciplinary team with expertise in rare disease and the ability to execute the development strategy and business plan

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Clear value

We have a clear value proposition, clinical development plan and targets a defined patient population with high unmet medical needs

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Business plan

Strong business case in MPS VI (~$500M market) and other MPS subtypes ($1B+)

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Flexible strategy

Flexible exit scenarios, plan to establish a fully integrated commercial rare disease player, with potential for earlier exit at near term inflection points

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Our Team

Multidisciplinary team with expertise in rare disease and the ability to execute the development strategy and business plan

Find out more about MPS:

About MPS
Mucopolysaccharidoses (type I to VII) are caused by the lack of an enzyme due to a genetic defect >These enzymes are needed to break down glycosaminoglycans (GAGs), which build up in the cells and damage them >Devastating diseases leading to a reduced life expectancy and very poor quality of life.

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