diff --git a/src/server/routers/user.ts b/src/server/routers/user.ts
index 7b7442b..02cfac9 100644
--- a/src/server/routers/user.ts
+++ b/src/server/routers/user.ts
@@ -232,19 +232,26 @@ export const userRouter = router({
       const skip = (page - 1) * perPage
 
       const where: Record<string, unknown> = {}
+      const and: Record<string, unknown>[] = []
 
+      // Match the role as EITHER the primary role (User.role) or a secondary
+      // role (User.roles[]) so the type tabs include multi-role users, mirroring
+      // the multi-role checks used elsewhere (userHasRole / hasRole middleware).
       if (roles && roles.length > 0) {
-        where.role = { in: roles }
+        and.push({ OR: [{ role: { in: roles } }, { roles: { hasSome: roles } }] })
       } else if (role) {
-        where.role = role
+        and.push({ OR: [{ role }, { roles: { has: role } }] })
       }
       if (status) where.status = status
       if (search) {
-        where.OR = [
-          { email: { contains: search, mode: 'insensitive' } },
-          { name: { contains: search, mode: 'insensitive' } },
-        ]
+        and.push({
+          OR: [
+            { email: { contains: search, mode: 'insensitive' } },
+            { name: { contains: search, mode: 'insensitive' } },
+          ],
+        })
       }
+      if (and.length > 0) where.AND = and
 
       const dir = sortDir ?? 'asc'
       const orderBy: Record<string, string> = sortBy
@@ -373,19 +380,24 @@ export const userRouter = router({
       const where: Record<string, unknown> = {
         status: { in: ['NONE', 'INVITED'] },
       }
+      const and: Record<string, unknown>[] = []
 
+      // Match primary OR secondary role (see user.list for rationale).
       if (input.roles && input.roles.length > 0) {
-        where.role = { in: input.roles }
+        and.push({ OR: [{ role: { in: input.roles } }, { roles: { hasSome: input.roles } }] })
       } else if (input.role) {
-        where.role = input.role
+        and.push({ OR: [{ role: input.role }, { roles: { has: input.role } }] })
       }
 
       if (input.search) {
-        where.OR = [
-          { email: { contains: input.search, mode: 'insensitive' } },
-          { name: { contains: input.search, mode: 'insensitive' } },
-        ]
+        and.push({
+          OR: [
+            { email: { contains: input.search, mode: 'insensitive' } },
+            { name: { contains: input.search, mode: 'insensitive' } },
+          ],
+        })
       }
+      if (and.length > 0) where.AND = and
 
       const users = await ctx.prisma.user.findMany({
         where,
diff --git a/tests/unit/members-secondary-role-filter.test.ts b/tests/unit/members-secondary-role-filter.test.ts
new file mode 100644
index 0000000..d138fea
--- /dev/null
+++ b/tests/unit/members-secondary-role-filter.test.ts
@@ -0,0 +1,93 @@
+import { describe, it, expect, beforeAll, afterAll } from 'vitest'
+import { prisma, createCaller } from '../setup'
+import { createTestUser, uid } from '../helpers'
+import { userRouter } from '../../src/server/routers/user'
+
+/**
+ * Regression: the admin Members tabs filter by type (Jury, Mentor, …) must
+ * include users who hold that type as a SECONDARY role (User.roles[]), not only
+ * users whose PRIMARY role (User.role) matches. Previously the query filtered on
+ * `where.role` alone, so multi-role users were missing from the relevant tab.
+ */
+describe('user.list / listInvitableIds — role filter includes secondary roles', () => {
+  const token = uid('secrole')
+  const ids: string[] = []
+  let adminId = ''
+  let aId = '' // primary JURY_MEMBER + secondary MENTOR
+  let bId = '' // primary MENTOR
+  let cId = '' // JURY only (control)
+
+  beforeAll(async () => {
+    const admin = await createTestUser('SUPER_ADMIN')
+    adminId = admin.id
+    ids.push(admin.id)
+
+    const a = await prisma.user.create({
+      data: {
+        id: uid('u'),
+        email: `${token}-a@test.local`,
+        name: `${token} A`,
+        role: 'JURY_MEMBER',
+        roles: ['JURY_MEMBER', 'MENTOR'],
+        status: 'NONE',
+      },
+    })
+    const b = await prisma.user.create({
+      data: {
+        id: uid('u'),
+        email: `${token}-b@test.local`,
+        name: `${token} B`,
+        role: 'MENTOR',
+        roles: ['MENTOR'],
+        status: 'NONE',
+      },
+    })
+    const c = await prisma.user.create({
+      data: {
+        id: uid('u'),
+        email: `${token}-c@test.local`,
+        name: `${token} C`,
+        role: 'JURY_MEMBER',
+        roles: ['JURY_MEMBER'],
+        status: 'NONE',
+      },
+    })
+    aId = a.id
+    bId = b.id
+    cId = c.id
+    ids.push(a.id, b.id, c.id)
+  })
+
+  afterAll(async () => {
+    await prisma.user.deleteMany({ where: { id: { in: ids } } })
+  })
+
+  it('list: the Mentor tab includes a user whose MENTOR role is secondary', async () => {
+    const caller = createCaller(userRouter, {
+      id: adminId,
+      email: 'admin@test.local',
+      role: 'SUPER_ADMIN',
+    })
+
+    const res = await caller.list({ roles: ['MENTOR'], search: token, perPage: 100 })
+    const returnedIds = res.users.map((u: { id: string }) => u.id)
+
+    expect(returnedIds).toContain(bId) // primary mentor (already worked)
+    expect(returnedIds).toContain(aId) // secondary mentor (the bug)
+    expect(returnedIds).not.toContain(cId) // jury-only must NOT appear
+  })
+
+  it('listInvitableIds: the Mentor tab includes a user whose MENTOR role is secondary', async () => {
+    const caller = createCaller(userRouter, {
+      id: adminId,
+      email: 'admin@test.local',
+      role: 'SUPER_ADMIN',
+    })
+
+    const res = await caller.listInvitableIds({ roles: ['MENTOR'], search: token })
+
+    expect(res.userIds).toContain(bId)
+    expect(res.userIds).toContain(aId)
+    expect(res.userIds).not.toContain(cId)
+  })
+})