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Epicrispr Biotechnologies

Epigenetic gene-expression therapy platform

Executive Assistant

Full-Time
$120k - $165k/yr
Expert
Bachelor's
San Bruno, CA, USA
HybridThree to four days on-site per week.
Administrative & Executive AssistanceExecutive Support

About the job

Requirements
  • Bachelor’s degree preferred with 6+ years of experience supporting C-level executives or senior leadership, preferably within biotech, life sciences, venture-backed startups, or a fast-paced growth environment
  • Proven ability to manage complex calendars, competing priorities, and executive workflows with a high degree of autonomy and sound judgment
  • Exceptional organizational, project management, and time management skills, with the ability to anticipate needs and drive execution
  • Strong written and verbal communication skills, with experience preparing executive-level materials, presentations, and internal/external communications
  • Experience developing and managing board and investor-facing materials, including data room coordination, due diligence preparation, PowerPoint presentations, and corporate communications preferred
  • Experience interacting with board members, investors, external partners, and senior stakeholders highly preferred
  • High level of discretion, professionalism, confidentiality, and emotional intelligence when handling sensitive company information
  • Proficiency in Google Workspace, Microsoft Office (particularly PowerPoint), SharePoint, Slack, calendar management tools, and other executive productivity platforms
  • Proficiency working in a Mac environment and familiarity with Apple productivity tools preferred
  • Ability to thrive in a dynamic, fast-paced environment with shifting priorities and a high level of ambiguity
Responsibilities
  • Provide high-level administrative support to the CEO by managing complex calendars, prioritizing competing demands, and ensuring alignment with strategic priorities
  • Serve as a trusted partner to leadership by anticipating needs, proactively addressing challenges, and driving follow-up on key initiatives
  • Coordinate executive and leadership meetings, including agendas, briefing materials, logistics, and action item tracking
  • Act as the primary liaison between executives and internal and external stakeholders, ensuring clear, professional, and timely communication
  • Prepare executive presentations, reports, Board materials, and other communications for senior leadership, investors, and key stakeholders
  • Partner with Corporate Communications to support executive messaging, media engagements, and company communications
  • Support strategic corporate initiatives by coordinating information requests, maintaining organized documentation, and managing secure document-sharing platforms and data repositories
  • Track executive projects and cross-functional initiatives to ensure milestones, deliverables, and timelines remain on track
  • Handle highly confidential and sensitive information with discretion and sound judgment
  • Coordinate Board meetings, investor meetings, and other executive-level events
  • Collaborate with Legal, Finance, HR, Corporate Communications, and other cross-functional teams to support executive priorities and organizational initiatives
  • Identify opportunities to improve processes, streamline workflows, and enhance executive effectiveness
  • Manage domestic and international travel arrangements, including detailed itineraries and real-time schedule adjustments
  • Perform other duties and responsibilities as assigned in support of executive leadership and evolving business needs
Desired Qualifications
  • Bachelor’s degree preferred with 6+ years of experience supporting C-level executives or senior leadership, preferably within biotech, life sciences, venture-backed startups, or a fast-paced growth environment
  • Proven ability to manage complex calendars, competing priorities, and executive workflows with a high degree of autonomy and sound judgment
  • Exceptional organizational, project management, and time management skills, with the ability to anticipate needs and drive execution
  • Strong written and verbal communication skills, with experience preparing executive-level materials, presentations, and internal/external communications
  • Experience developing and managing board and investor-facing materials, including data room coordination, due diligence preparation, PowerPoint presentations, and corporate communications preferred
  • Experience interacting with board members, investors, external partners, and senior stakeholders highly preferred
  • High level of discretion, professionalism, confidentiality, and emotional intelligence when handling sensitive company information
  • Proficiency in Google Workspace, Microsoft Office (particularly PowerPoint), SharePoint, Slack, calendar management tools, and other executive productivity platforms
  • Proficiency working in a Mac environment and familiarity with Apple productivity tools preferred
  • Ability to thrive in a dynamic, fast-paced environment with shifting priorities and a high level of ambiguity

About the company

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Epicrispr Biotechnologies

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Epicrispr Biotechnologies develops gene expression modulation therapies using epigenetics to treat complex diseases. Its Gene Expression Modulation System (GEMS) is a platform that lets researchers mix and match a toolbox of epigenomic modulators to tailor therapies by regulating gene expression in mammalian cells. Unlike competitors that rely on a single product, GEMS offers a flexible, customizable approach to create therapies for different diseases and patient needs. The company's goal is to expand genetic medicine by delivering targeted, epigenetically guided therapies through hospitals and clinics, while advancing scientific research.

Company Size

51-200

Company Stage

Grant

Total Funding

$221M

Headquarters

South San Francisco, California

Founded

2018

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Simplify's Take

What believers are saying

  • August 11, 2026 Series C raised $90 million from Janus, Octagon, and Sanofi.
  • July 7, 2026 enrollment finished in Epicrispr’s 12-patient EPI-321 Phase 1/2 study.
  • Forge Biologics partnership on May 2026 strengthens AAV manufacturing for EPI-321 scale-up.

What critics are saying

  • EPI-321 reported AST, ALT, troponin, and thrombocytopenia events; AAV safety remains unforgiving.
  • Epicrispr’s headcount fell to 43 employees by March 2026, squeezing execution capacity.
  • If June 2026 biomarker gains fail to translate, FSHD pivotal funding collapses.

What makes Epicrispr Biotechnologies unique

  • Epicrispr’s GEMS platform silences genes without cutting DNA, unlike CRISPR editors.
  • EPI-321 targets FSHD’s DUX4 driver with a one-time AAV muscle infusion.
  • June 26, 2026 data showed increased lean muscle volume across first evaluable patients.

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Benefits

  • Health Insurance
  • Paid Vacation
  • Flexible Work Hours
  • Remote Work Options
  • 401(k) Retirement Plan
  • Gym Membership
  • Mental Health Support
  • Wellness Program
  • Conference Attendance Budget
  • Professional Development Budget
  • Training Programs
  • Employee Stock Purchase Plan

Growth & Insights and Company News

6 month growth

-3%

1 year growth

0%

2 year growth

-3%
Citybiz
Oct 20th, 2026
Epicrispr Biotechnologies appoints Enoch Kariuki to Board of Directors.

Epicrispr Biotechnologies appoints Enoch Kariuki to Board of Directors. October 20, 2026 Enoch Kariuki Epicrispr Biotechnologies, a clinical-stage biotechnology company developing epigenetic therapies, has appointed Enoch Kariuki, PharmD, to its Board of Directors as the company advances its lead treatment candidate, EPI-321, toward pivotal clinical development and expands its pipeline of gene-modulating medicines. Kariuki brings extensive experience in biotechnology operations, corporate strategy, capital markets and business development. Throughout his career, he has participated in more than $10 billion in strategic financings and mergers and acquisitions across the life sciences industry. His appointment strengthens Epicrispr's board as the company works to advance its clinical programs, evaluate development priorities and establish the financial and operational infrastructure needed to support future growth. "Enoch is an accomplished biotechnology leader with a proven track record of building and scaling companies, guiding programs through pivotal clinical and regulatory milestones, and executing strategic transactions that create lasting value," said Amber Salzman, Ph.D., CEO of Epicrispr Biotechnologies. Salzman said Kariuki's combination of operational, financial and strategic experience will support the company's efforts to advance EPI-321 and develop additional epigenetic medicines. Kariuki currently serves as President of Endeavor BioMedicines, where he oversees corporate strategy and operations. His responsibilities include guiding organizational development and supporting the company's business and clinical development objectives. Previously, he served as CEO of Lengo Therapeutics, a biotechnology company acquired by Blueprint Medicines. He also held the position of Chief Financial Officer at VelosBio, which was acquired by Merck. Earlier in his career, Kariuki was Senior Vice President of Corporate Development at Synthorx, where he led the company's initial public offering and played a significant role in its subsequent acquisition by Sanofi. His experience also includes investment and advisory positions at H.I.G. Capital, Leerink Partners and UBS Investment Bank, providing a background in financing, strategic transactions and biotechnology investment analysis. These roles have given Kariuki experience across multiple stages of biotechnology company development, from securing financing and establishing corporate strategy to executing acquisitions and supporting clinical-stage growth. At Epicrispr, that experience will be relevant as the company evaluates the resources, partnerships and development strategies required to advance its therapeutic programs. Epicrispr's lead candidate, EPI-321, is being evaluated in clinical trials for facioscapulohumeral muscular dystrophy (FSHD), a genetic neuromuscular disease characterized by progressive muscle weakness. The company is developing EPI-321 using its proprietary Gene Expression Modulation System (GEMS), an epigenetic technology platform designed to regulate gene expression without directly changing the underlying DNA sequence. Epigenetic therapies seek to influence how genes are activated or suppressed. Epicrispr's approach is intended to provide precise and durable modulation of gene activity, potentially addressing diseases associated with abnormal gene expression. The company is initially concentrating on neuromuscular disorders while developing additional gene-modulating treatments for other conditions. Advancing EPI-321 toward pivotal development represents an important operational priority. Clinical-stage biotechnology companies approaching later-stage trials must address study design, regulatory engagement, manufacturing readiness, financing requirements and long-term commercialization planning. Board members with experience in clinical development and capital markets can provide oversight as management evaluates those requirements and determines how to allocate resources across its pipeline. "Epicrispr is at an exciting inflection point, with compelling early clinical data supporting the potential of its differentiated epigenetic platform to address diseases with significant unmet medical needs," Kariuki said. He identified EPI-321's development in FSHD and the company's broader epigenetic technology platform as areas of opportunity, while emphasizing his intention to support Epicrispr's strategic priorities. In addition to his executive responsibilities, Kariuki serves on the boards of Zentalis Pharmaceuticals and Pheon Therapeutics, chairing the audit committees at both companies. He previously served on the boards of Imago Biosciences and ProfoundBio, which were acquired by Merck and Genmab, respectively. His board experience includes financial oversight and corporate governance responsibilities relevant to biotechnology companies operating in capital-intensive research and development environments. Kariuki earned a Doctor of Pharmacy degree from Texas Southern University and an MBA from the Tuck School of Business at Dartmouth College. He also completed a postdoctoral fellowship in research and development strategy and analytics at Bristol Myers Squibb. Epicrispr continues to advance EPI-321 through clinical development while expanding its portfolio of gene-modulating therapies. Kariuki's appointment adds biotechnology financing, transaction and operational experience to the board as the company prepares for its next stage of clinical development and evaluates opportunities to advance its epigenetic medicines platform.

DevCuration
Oct 19th, 2026
Epicrispr awarded $8M CIRM grant for FSHD Clinical Trial.

Epicrispr awarded $8M CIRM grant for FSHD Clinical Trial. CIRM's support for Epicrispr Biotechnologies has a defined clinical destination: the study already evaluating EPI-321 in people with facioscapulohumeral muscular dystrophy, or FSHD. The South San Francisco biotechnology company announced an $8M grant on October 19, 2026, bringing public backing to the work of following an experimental gene-regulating medicine through its first human study. The award supports a program intended to suppress inappropriate activity of DUX4, a gene implicated in progressive muscle damage. EPI-321 is designed for a single administration, while its developers must observe safety, biological activity and patient outcomes over time. That relationship between a brief treatment encounter and a much longer investigation gives the financing its practical significance. The California Institute for Regenerative Medicine approved the grant on September 25, and its award database currently labels it pre-active. Epicrispr's company announcement and CIRM's approval are separate milestones; neither establishes when cash reaches the company. The grant also sits alongside a distinct $90M Series C announced in August, rather than replacing that financing or creating a new combined equity round. What the $8M CIRM grant supports. CIRM's award record identifies the project as the first-in-human EPI-321 trial and assigns it grant number CLIN2-20392. The agency's Clinical Trial Stage Projects program is supporting clinical investigation at a point when a promising biological approach has become a responsibility to actual participants. The funding's scope is specific enough to keep the story grounded: continued work on this study. The September board announcement also lists the $8M award to Epicrispr. The company's October announcement describes support for ongoing clinical development, without publishing a disbursement schedule. There is no verified valuation, ownership change or new venture syndicate attached to this grant, and those blanks should stay blank. Epicrispr has attracted support for different jobs within the same company. Private investors can finance a platform, a pipeline and organizational capacity, while a grant directs support toward a particular investigation. In Epicrispr's case, both forms of backing meet at EPI-321, where continued observation helps determine how the underlying science translates into a medicine people can use. How EPI-321 approaches FSHD. Epicrispr's scientific founder, Lei Stanley Qi, helped develop tools for regulating gene expression. CEO Amber Salzman leads the company as it carries that scientific foundation into therapeutic development. Its Gene Expression Modulation System, or GEMS, combines a DNA-binding component, a guide RNA and proteins that influence gene activity, according to the company's platform description. EPI-321 applies gene regulation to FSHD, where inappropriate DUX4 expression contributes to muscle degeneration. The study protocol describes an AAVrh74-delivered, noncutting epigenetic editor that targets the D4Z4 region associated with DUX4 regulation. The intended effect is suppression of harmful gene activity without changing the underlying DNA sequence; the duration and clinical value of that effect are subjects of investigation. This approach gives the company several connected development jobs. A construct has to reach the intended tissue, produce the intended biological response and be assessed for effects that emerge over time. Explaining only the gene target would leave out much of the work the clinical organization has inherited from the laboratory. The company has chosen a program in which delivery, measurement and sustained follow-up all belong inside the same account of progress. Reading the early clinical evidence. The ClinicalTrials.gov record for NCT06907875 describes a Phase 1/2, open-label, nonrandomized dose-escalation study, with estimated enrollment of 12 across 2 dose cohorts. Its primary outcome concerns adverse events, while other measures examine biological activity. Participants receive one intravenous administration and are followed over an extended period, making the study a continuing relationship between the company, investigators and patients. In its October 5 clinical update, Epicrispr reported increases in lean muscle volume and strength among the first 6 patients with six-month observations. The comparisons used external natural-history data and modeled digital twins. Those are company-reported exploratory findings from an early study, with a different evidentiary basis from a randomized concurrent control group. For anyone evaluating the program, muscle imaging, strength testing and safety observations need to be read together. A numerical change becomes more useful when its measurement method, comparator and follow-up interval remain attached to it. The grant supports a setting where that record can keep developing, rather than supplying an answer about eventual approval, treatment durability or commercial adoption. Public funding within a privately financed platform. Epicrispr's August 11 Series C brought in $90M, co-led by Octagon Capital and Janus Henderson Investors. The company said that financing would support EPI-321, additional programmable epigenetic medicines, its platform and manufacturing capabilities. Those broader uses help explain why the separate CIRM grant deserves its own description rather than being folded into a larger capital headline. EPI-321 also gives Epicrispr a clinical setting in which to learn how its platform behaves. Findings from a lead candidate can inform decisions about delivery, assay selection, development priorities and the questions worth carrying into another study. That possibility gives clinical work significance beyond a single product, although success in one indication would still leave other programs with their own evidence requirements. The wider biotechnology financing landscape contains companies at quite different points in that process. DevCuration's coverage of Estuary Biotherapeutics' kidney gene-therapy financing offers another view of capital organized around delivery and development. For Epicrispr, the immediate work remains with people already participating in EPI-321's study. The company expects twelve-month data from all study patients in the second half of 2027, extending the record its clinical team and future development decisions will have to draw on.

FinSMEs
Oct 19th, 2026
Epicrispr Biotechnologies receives $8M in grant.

Epicrispr Biotechnologies receives $8M in grant. October 19, 2026 Epicrispr Biotechnologies, a San Francisco, CA-based company developing epigenetic therapies, received an $8M grant from the California Institute for Regenerative Medicine (CIRM). The company intends to use the funds to support the ongoing first-in-human clinical development of EPI-321, its lead investigational epigenetic therapy for facioscapulohumeral muscular dystrophy (FSHD). Led by CEO Amber Salzman, Ph.D., Epicrispr Biotechnologies is a biotechnology company pioneering gene-modulating therapies, leading with treatments for neuromuscular diseases. Their platform, the proprietary gene expression modulation system (GEMS), enables precise and durable epigenetic modulation of gene expression without altering the underlying DNA sequence. Don't just read the news. Own the data. Stop manually tracking deals. Access this round and over 100 others this week - in our structured Master Database (XML) + Weekly Intelligence PDF. [Access FinSMEs Intelligence Hub] 19/10/2026

Associated Press
Oct 19th, 2026
Epicrispr wins $8M CIRM grant to advance epigenetic FSHD therapy EPI-321

Epicrispr Biotechnologies has won an $8 million grant from the California Institute for Regenerative Medicine (CIRM) to support its first-in-human trial of EPI-321, a therapy for facioscapulohumeral muscular dystrophy (FSHD). The one-time treatment aims to silence DUX4, the gene that drives FSHD, without altering DNA. No approved therapies for the disease exist. The award follows positive six-month data from the Phase 1/2 study, which showed increased lean muscle volume and improved muscle strength after a single dose. "This $8 million award from CIRM represents important validation of our innovative epigenetic editing approach," said chief executive officer Amber Salzman.

Business Wire
Aug 13th, 2026
Epicrispr Biotechnologies Closes $90 Million Oversubscribed Series C Financing to Advance First-in-Class Epigenetic Therapy Toward Pivotal Studies in FSHD

Epicrispr Biotechnologies Closes $90 Million Series C Financing to Advance First-in-Class Epigenetic Therapy Toward Pivotal Studies in FSHD