BELS certification — formally the Editor in the Life Sciences (ELS) credential — is an exam-based credential awarded by the Board of Editors in the Life Sciences (BELS) to manuscript editors who demonstrate proficiency in editing scientific manuscripts in medicine, biology, agriculture, and related life-sciences fields. It is not a general copyediting or proofreading qualification: the certification exam tests understanding of scientific terminology, manuscript structure and conventions, and publication ethics as they apply specifically to life-sciences research writing. For a research administrator, principal investigator, or editorial office deciding whether to hire or rely on a freelance or in-house manuscript editor, seeing ‘ELS’ after someone’s name is a signal worth understanding rather than skipping past — this guide explains what it actually verifies, how someone earns it, and where its limits are.
What BELS certification actually is
BELS is a nonprofit professional organization, founded in 1991 by a group of members of the Council of Biology Editors (now the Council of Science Editors, CSE), created to evaluate the proficiency of manuscript editors working in the life sciences and to award a credential comparable to those used in other professions. Editors who pass the BELS certification exam earn the title Editor in the Life Sciences and may use the post-nominal letters ELS. The organization describes its mission as maintaining and promoting a standard of proficiency in life-sciences editing, and BELS certification exams are written by senior life-science editors with assistance from testing-design experts, then offered several times a year at locations in the United States and internationally.
How BELS differs from general copyediting or proofreading credentials
Manuscript editing in the life sciences is a distinct skill from general-purpose copyediting or proofreading. A copyeditor or proofreader working across genres corrects grammar, style, and consistency; a life-sciences manuscript editor additionally needs working fluency in scientific nomenclature and units, familiarity with the structural conventions of a research article (IMRaD structure, statistical reporting, figure and table conventions), and awareness of publication-ethics norms such as authorship criteria, conflict-of-interest disclosure, and data-integrity expectations that a journal editor or peer reviewer will also be checking for. BELS certification is built to test that specific combination rather than general prose competence. See CASRAI’s comparison of copyediting vs. proofreading for how those adjacent, non-certified editing functions differ from what BELS assesses, and the academic editor guide for how a journal’s own academic editors (who make publication decisions) differ from manuscript editors authors hire to prepare a submission.
Eligibility to sit the BELS exam
To apply to sit the BELS certification exam, a candidate generally needs a bachelor’s degree from an accredited institution and at least two years of experience working as a manuscript editor in the life sciences. The application process requires submitting a resume or CV, the applicable fee, and professional references. BELS does not publish a fixed, universally quoted exam fee on the pages reviewed for this guide, and fee schedules for professional certification exams are routinely revised, so readers should confirm current pricing directly with BELS (bels.org) rather than relying on a third-party figure.
Exam format
The BELS certification exam is a three-hour, multiple-choice test — 105 questions on the version described in BELS’s own published materials — focused on the principles and practices of scientific manuscript editing in English. It is not a test of subject-matter science knowledge for its own sake, but of editorial judgment applied to life-sciences manuscripts: recognizing structural, terminological, statistical-reporting, and ethical issues an editor would need to catch or query before a manuscript goes to a journal.
ELS vs. Distinguished Editor (the advanced level)
BELS certification has two tiers. The base credential is ELS, earned by passing the certification exam. The advanced tier — historically called Diplomate (ELS(D)) and now referred to by BELS as Distinguished Editor — requires a candidate to have held ELS certification for at least two years and to document a minimum of six years of professional editorial experience, and is awarded by submitting a portfolio of edited work for review by current Distinguished Editors rather than by sitting a second exam. In practice, an ELS(D) or Distinguished Editor designation signals a longer, peer-reviewed track record on top of the exam-based ELS baseline.
Certification maintenance: the renewal requirement since 2024
BELS certification is not held for life without further action. As of January 1, 2024, BELS introduced a certification maintenance program requiring all certified editors — regardless of when they originally certified — to renew every five years by accumulating 50 points across four categories: Education and Professional Development, Service, Contributions, and Experience (activities such as attending relevant webinars or conferences, professional-society involvement, mentoring, and ongoing editorial work all count toward specific point values). BELS has framed the maintenance requirement as a response to how much the field has changed since the ELS exam launched — new style guides, evolving publication-ethics guidance, and expanded reporting guidelines — and as bringing BELS in line with recertification practices already used by comparable medical-communications credentialing bodies. In practical terms, this means a currently listed ELS or Distinguished Editor credential reflects an editor who has kept the certification active, not necessarily one who passed an exam recently.
What BELS certification signals to journals, PIs, and employers
For someone evaluating a manuscript editor rather than becoming one, BELS certification is best read as an objective, third-party-verified floor on life-sciences editing competency and ethics awareness — not a guarantee of fit for a specific manuscript, discipline, or journal’s house style. It is most useful as a screening signal when hiring a freelance or contract manuscript editor, when an institution’s writing-support office is building a roster of approved editors, or when assessing an editing service’s claimed qualifications. It says less about subject-matter expertise in a narrow subfield, English-language editing for non-native-English-speaking authors specifically (a related but distinct skill some editors additionally advertise), or turnaround speed and cost — all of which are still worth asking about directly. It is also worth distinguishing BELS certification, which certifies an individual editor, from a commercial editing service’s own internal quality claims; CASRAI’s comparison of major academic editing resource hubs covers how those services position themselves, separately from any individual editor’s personal credentials.
How to vet a BELS-certified editor
Because BELS certification now requires active five-year renewal, the most reliable way to confirm someone’s certification is current is to check directly with BELS rather than relying solely on a claim in a bio or CV, since a lapsed or non-renewed credential would no longer reflect an editor who has met the 2024-onward maintenance requirement. Beyond verifying the credential itself, it’s still reasonable to ask a prospective manuscript editor for references, sample edited work relevant to your field, and familiarity with the specific journal or funder formatting and disclosure requirements your manuscript needs to meet — BELS certification establishes a baseline, but does not replace that direct evaluation.
BELS in context
BELS certification sits alongside, rather than replaces, the broader set of conventions and standards a manuscript passes through on its way to publication. A BELS-certified editor working on a manuscript still needs to work within a target journal’s own submission requirements — see CASRAI’s guides on the manuscript submission process and on structuring a manuscript for journal submission — and editing does not substitute for the authorship, disclosure, and integrity obligations covered in guidance such as the COPE guidelines. An editor’s role in preparing a manuscript is also distinct from the roles covered by the peer reviewer and academic editor guides, both of which sit inside a journal’s own editorial process rather than on the author’s side of manuscript preparation.
Frequently asked questions
Is BELS certification required to work as a scientific manuscript editor?
No. BELS certification is a voluntary, exam-based credential. Many manuscript editors in the life sciences work without it, and journals themselves do not generally require authors to use a BELS-certified editor. It functions as an optional, third-party-verified signal of proficiency rather than a licensing requirement.
What does ELS mean after someone’s name?
ELS stands for Editor in the Life Sciences, the credential awarded by BELS to editors who pass its certification exam. ELS(D), or the newer Distinguished Editor designation, indicates the advanced tier, awarded on top of ELS for editors with at least six years of experience who submit a portfolio for peer review.
How is BELS different from a medical writing certification such as CMPP?
BELS certifies manuscript editing proficiency specifically, while credentials such as the Certified Medical Publication Professional (CMPP) certify competency in medical publication planning and writing more broadly. The two credentials assess different, if related, professional skill sets and are issued by different certifying bodies; a candidate could hold either, both, or neither depending on their actual role.
Does BELS certification expire?
As of the certification maintenance program introduced January 1, 2024, yes — BELS certification must now be renewed every five years by accumulating points through qualifying professional activities. This applies to all certified editors, including those certified before the program began.
Where can I verify whether an editor’s BELS certification is current?
Check directly with BELS (bels.org) rather than relying solely on a self-reported credential in a resume or bio, particularly given the 2024 maintenance requirement means a credential can lapse if it isn’t actively renewed.
