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Alison Long

Director at Taysha Gene Therapies
Board

About Alison Long

Alison Long, M.D., Ph.D., age 62, has served as an independent director of Taysha Gene Therapies since November 2023. She is a physician-scientist with extensive gene therapy clinical development leadership, currently serving on a consulting basis as Chief Medical Officer of Flightpath Biosciences (since Jan 2023) and Clinical Lead at Enigma Biomedical Group (since Feb 2023). She holds a Bachelor of Medicine, Bachelor of Surgery from the University of the Witwatersrand and a Ph.D. in Biodefense from George Mason University .

Past Roles

OrganizationRoleTenureCommittees/Impact
Spark Therapeutics, Inc.Head of Clinical R&DOct 2019 – Jun 2020Led clinical R&D for gene therapy programs
Freeline Therapeutics, Inc.SVP, Head of Clinical DevelopmentJun 2020 – Aug 2021Clinical development leadership in gene therapy
Freeline Therapeutics, Inc.Interim Chief Medical OfficerSep 2021 – Nov 2021Interim CMO oversight
Kaleido BiosciencesChief Medical OfficerDec 2021 – Apr 2022Public biotech; company ceased operations Apr 2022
Anokion SAChief Medical OfficerJun 2022 – Jan 2023Clinical leadership

External Roles

OrganizationRoleTenureNotes
Flightpath Biosciences, Inc.Chief Medical Officer (consulting)Jan 2023 – presentConsulting basis
Enigma Biomedical GroupClinical Lead (consulting)Feb 2023 – presentConsulting basis

Board Governance

  • Independence: Board affirmatively determined Alison Long is independent under Nasdaq standards; no disqualifying relationships noted .
  • Board leadership: CEO Sean Nolan serves as Chair; the company views combined CEO/Chair as beneficial for strategy execution and information flow .
  • Attendance: The Board met five times in 2024; each director attended at least 75% of Board and applicable committee meetings .
  • Committees (2024):
    • Clinical & Scientific Committee – Chair; met 4 times
    • Compensation Committee – Member; met 1 time; committee is fully independent and meets in executive session regularly
    • Nominating & Corporate Governance Committee – Member; did not formally meet in 2024, acted twice by unanimous written consent; composed of Alison Long and Sean Stalfort .
CommitteeRole2024 MeetingsNotes
Clinical & ScientificChair4 Pipeline and R&D oversight; no charter adopted
CompensationMember1 Uses Aon as compensation consultant; independent composition
Nominating & Corporate GovernanceMember0 (2 written consents) Oversees director nominations and governance principles

Fixed Compensation

ComponentAmount (USD)PeriodNotes
Fees Earned or Paid in Cash$54,083FY2024Board/committee retainers
Stock Awards (RSUs) – Grant-date fair value$156,027FY2024ASC 718 fair value
Option Awards – Grant-date fair value$231,334FY2024ASC 718 Black-Scholes
Total$441,444FY2024Sum of components

Director cash retainer policy (effective Apr 9, 2024): annual board retainer $35,000; committee chairs: Audit/Clinical & Scientific/Special Litigation $15,000; Compensation chair $10,000; Nominating chair $8,000; members: Audit/Clinical & Scientific $7,500; Compensation $5,000; Nominating $4,000; independent Board chair additional $30,000 .

Performance Compensation

  • No performance-based metrics disclosed for director compensation; equity awards (options and RSUs) vest based on service rather than operational or TSR metrics .

Other Directorships & Interlocks

  • No current public company directorships disclosed for Alison Long. Her external roles are consulting appointments; no related-party transactions or board interlocks disclosed involving those entities .

Expertise & Qualifications

  • Physician-scientist with extensive gene therapy program experience across Spark, Freeline, Kaleido, and Anokion; current CMO/Clinical Lead roles reinforce translational expertise in rare disease therapeutics .
  • Education: MBBS (University of the Witwatersrand); Ph.D. in Biodefense (George Mason University) .
  • Board value: Clinical and scientific oversight as chair, complementing financial and operational expertise of other directors .

Equity Ownership

MetricAmountAs-of DateNotes
Total Beneficial Ownership (shares)167,126Mar 31, 2025<1% of outstanding
Ownership % of Shares Outstanding<1%Mar 31, 2025Outstanding shares: 205,054,570
Options – Exercisable within 60 days117,906Mar 31, 2025Beneficial ownership footnote (options)
RSUs – Vesting within 60 days49,220Mar 31, 2025Beneficial ownership footnote (RSUs)
Outstanding Options (total)142,240Dec 31, 2024Director awards outstanding
Outstanding Stock Awards (RSUs)49,220Dec 31, 2024Director awards outstanding
Hedging/Margin ProhibitionProhibitedPolicy currentShort sales, options, hedging, margin accounts prohibited for non-employee directors

Governance Assessment

  • Strengths:

    • Independent director with deep gene therapy clinical expertise; chairs Clinical & Scientific Committee that met four times in 2024, indicating active oversight of R&D pipeline .
    • Member of Compensation Committee that meets in executive session and engages an external consultant (Aon), supporting pay governance rigor .
    • Attendance threshold met (≥75%) across Board and committee service in 2024, supporting engagement .
  • Compensation & alignment:

    • Mix skewed toward equity (options and RSUs), aligning director incentives with shareholder outcomes; 2024 equity grant-date fair values totaled $387,361 versus $54,083 cash .
    • Hedging and margin prohibitions enhance alignment and reduce misalignment risk .
  • Potential concerns and monitoring items:

    • The Nominating & Corporate Governance Committee did not formally meet in 2024 (acted twice by unanimous written consent); sustained reliance on written consent may be perceived as lower engagement on director refresh and governance topics. Monitor 2025 cadence .
    • Board leadership is combined CEO/Chair, which some investors view as weaker independent oversight; compensating controls should include robust committee independence and executive sessions, which are present in Compensation but not explicitly described for full Board .
    • No disclosed ownership guidelines for directors; absence of explicit guidelines may be viewed as a gap by some governance-focused investors, though equity-heavy pay structure partially mitigates this .
  • Conflicts/related parties:

    • No related-party transactions disclosed involving Alison Long; company-level related party items involve financing participants and CEO family employment, not Dr. Long .

RED FLAGS: None directly tied to Alison Long. Structural considerations include combined CEO/Chair and limited formal meetings of Nominating & Corporate Governance in 2024 .