Built for Translational Clarity

Sigma Biotech is a translational strategy firm integrating science, regulation, quality, and clinical execution into one coherent development framework.

All content and engagements are reviewed through Sigma’s internal quality and regulatory governance process.

Translational research visualization

What Is Translational Research?

Translational research bridges scientific discovery and real-world patient impact. It ensures innovations are developed in ways that can be safely tested, validated, approved, adopted, and sustained in clinical practice.

Sigma simplifies complex decisions by aligning evidence requirements, regulatory expectations, clinical feasibility, and operational execution early — when it matters most.

What We Help Simplify

  • • Burden of proof & evidence planning
  • • Regulatory pathway selection
  • • Clinical endpoints & feasibility tradeoffs
  • • Quality systems & design controls

Our Philosophy

Biotechnology most often fails not because of poor science, but because of misalignment across development functions.

Sigma exists to eliminate silos — aligning translational intent, regulatory reality, and clinical execution from the outset.

What ∑ Represents

What Makes Sigma Different

Translational-First Thinking

Strategy anchored in regulatory pathways, clinical impact, and real-world use — not isolated milestones.

Integrated Expertise

Regulatory, quality, clinical, and scientific leadership working as one unified team.

Lifecycle Accountability

Alignment maintained from early strategy through post-market evidence generation.

Proven Outcomes

Record-Setting Clinical Execution

Setting a record for the fastest enrolling clinical study and subsequent PMA approval — enabled by disciplined planning, feasibility alignment, and execution discipline.

Clinically Validated Innovation

Co-developer of the clinically validated SPOT GRADE bleeding severity scale — supporting consistent assessment and evidence quality.

Leadership

Rachel Hoffman

CEO & Principal

Rachel brings 20+ years of translational research experience across medical device R&D, regulatory strategy, and clinical operations. She has guided programs from prototype through approval while balancing rigor, speed, and resource constraints.

Her focus is ensuring development decisions are approvable, executable, and aligned with patient impact.

She is also a co-developer of the clinically validated SPOT GRADE bleeding severity scale, supporting high-quality evidence generation across studies.

Scientific Leadership

Principal & Advisors

Sigma’s leadership includes senior translational scientists and clinicians with decades of experience across orthopedic, neurological, and interventional technologies.

Our principals have authored hundreds of peer-reviewed publications and supported regulatory interactions globally.

Our Team

A multidisciplinary team of translational scientists, clinicians, and regulatory experts aligned around one mission: bringing better technologies to patients faster.

Rachel Hoffman

Rachel Hoffman

CEO & Principal

20+ years of translational research experience spanning medical device R&D, regulatory strategy, and clinical operations.

Bryan Cunningham

Bryan Cunningham

Scientific Principal

35+ years of translational research leadership with extensive clinical, orthopedic, and neurosurgical expertise.

Felix Vega

Dr. Felix Vega

Founding Inspiration

A respected clinician and scientist whose commitment to rigor, compassion, and patient-centered innovation continues to guide Sigma’s mission.

Additional principals, advisors, and consultants are being added as Sigma Biotech continues to grow.

Legacy & Values

Sigma Biotech was established in memory of Dr. Felix Vega, whose dedication to scientific rigor and patient-centered innovation continues to guide our work.

Scientific Integrity

Evidence-driven translational research that supports defensible decision-making.

Compassion

Human-centered development from study design through real-world use.

Give-Back Commitment

A portion of profits will be dedicated to honoring Dr. Vega’s legacy through future initiatives.

Partner With Sigma Biotech

If you are building complex biomedical technologies and need translational clarity across the development lifecycle, we should talk.