diff --git a/web/src/extractors/mod.rs b/web/src/extractors/mod.rs
index f4ceabd2..a30074a4 100644
--- a/web/src/extractors/mod.rs
+++ b/web/src/extractors/mod.rs
@@ -4,6 +4,7 @@ pub(crate) mod coaching_session_access;
 pub(crate) mod coaching_session_series_access;
 pub(crate) mod coaching_session_topic_access;
 pub(crate) mod compare_api_version;
+pub(crate) mod organization_admin_access;
 pub(crate) mod organization_member_access;
 pub(crate) mod organization_user_access;
 pub(crate) mod svix_signature;
diff --git a/web/src/extractors/organization_admin_access.rs b/web/src/extractors/organization_admin_access.rs
new file mode 100644
index 00000000..910f142b
--- /dev/null
+++ b/web/src/extractors/organization_admin_access.rs
@@ -0,0 +1,317 @@
+use std::collections::HashMap;
+
+use axum::{
+    async_trait,
+    extract::{FromRef, FromRequestParts, Path},
+    http::{request::Parts, StatusCode},
+};
+
+use domain::error::{DomainErrorKind, EntityErrorKind, Error as DomainError, InternalErrorKind};
+use domain::{organization as OrganizationApi, Id};
+
+use crate::{
+    extractors::{authenticated_user::AuthenticatedUser, parse_path_id, RejectionType},
+    AppState,
+};
+use log::*;
+
+/// Checks that the authenticated user is associated with the organization specified by `organization_id`
+/// Passes if:
+/// * User is a SuperAdmin (has `SuperAdmin` role with `organization_id = NULL`), OR
+/// * User has an admin role in the specified organization
+pub(crate) struct OrganizationAdminAccess(pub Id);
+
+#[async_trait]
+impl<S> FromRequestParts<S> for OrganizationAdminAccess
+where
+    AppState: FromRef<S>,
+    S: Send + Sync,
+{
+    type Rejection = RejectionType;
+
+    async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
+        let state = AppState::from_ref(state);
+
+        let Path(path_params) = Path::<HashMap<String, String>>::from_request_parts(parts, &state)
+            .await
+            .map_err(|_| {
+                (
+                    StatusCode::BAD_REQUEST,
+                    "Invalid path parameters".to_string(),
+                )
+            })?;
+
+        let organization_id = parse_path_id(&path_params, "organization_id")?;
+
+        let AuthenticatedUser(user) = AuthenticatedUser::from_request_parts(parts, &state).await?;
+
+        if let Err(err) = OrganizationApi::find_by_id(state.db_conn_ref(), organization_id).await {
+            let domain_err: DomainError = err.into();
+            return match domain_err.error_kind {
+                DomainErrorKind::Internal(InternalErrorKind::Entity(EntityErrorKind::NotFound)) => {
+                    Err((
+                        StatusCode::NOT_FOUND,
+                        format!("Organization {organization_id} not found"),
+                    ))
+                }
+                _ => {
+                    error!(
+                      "find_by_id({organization_id:?}) failed while verifying organization existence: {domain_err:?}"
+                  );
+                    Err((
+                        StatusCode::INTERNAL_SERVER_ERROR,
+                        "Failed to verify organization existence".to_string(),
+                    ))
+                }
+            };
+        }
+
+        user.roles
+            .iter()
+            .any(|r| {
+                r.role == domain::users::Role::SuperAdmin && r.organization_id.is_none()
+                    || r.role == domain::users::Role::Admin
+                        && r.organization_id == Some(organization_id)
+            })
+            .then_some(OrganizationAdminAccess(organization_id))
+            .ok_or((StatusCode::UNAUTHORIZED, "UNAUTHORIZED".to_string()))
+    }
+}
+
+#[cfg(test)]
+#[cfg(feature = "mock")]
+mod tests {
+    use super::*;
+
+    use axum::{
+        body::Body, extract::Request, middleware::from_fn, response::Response, routing::get, Router,
+    };
+    use axum_login::{
+        tower_sessions::{MemoryStore, SessionManagerLayer},
+        AuthManagerLayerBuilder,
+    };
+    use chrono::Utc;
+    use domain::user::Backend;
+    use domain::{organizations, user_roles, users};
+    use password_auth::generate_hash;
+    use sea_orm::{DatabaseBackend, MockDatabase};
+    use service::config::Config;
+    use std::sync::Arc;
+    use time::Duration;
+    use tower::ServiceExt;
+    use tower_sessions::Expiry;
+
+    use crate::middleware::auth::require_auth;
+
+    fn create_test_user() -> users::Model {
+        let now = Utc::now();
+        users::Model {
+            id: Id::new_v4(),
+            email: "test@example.com".to_string(),
+            first_name: "Test".to_string(),
+            last_name: "User".to_string(),
+            display_name: Some("Test User".to_string()),
+            password: Some(generate_hash("password123")),
+            github_username: None,
+            github_profile_url: None,
+            timezone: "UTC".to_string(),
+            default_coaching_session_duration_minutes: domain::duration::Duration::default_minutes(
+            ),
+            role: users::Role::User,
+            roles: vec![],
+            invite_status: None,
+            created_at: now.into(),
+            updated_at: now.into(),
+        }
+    }
+
+    fn create_test_user_roles(
+        user_id: Id,
+        role: users::Role,
+        organization_id: Option<Id>,
+    ) -> user_roles::Model {
+        let now = Utc::now();
+        user_roles::Model {
+            id: Id::new_v4(),
+            role,
+            organization_id,
+            user_id,
+            created_at: now.into(),
+            updated_at: now.into(),
+        }
+    }
+
+    fn create_test_organization(organization_id: Id) -> organizations::Model {
+        let now = Utc::now();
+        organizations::Model {
+            id: organization_id,
+            name: "Refactor Group".to_owned(),
+            slug: "refactor-group".to_owned(),
+            logo: None,
+            created_at: now.into(),
+            updated_at: now.into(),
+        }
+    }
+
+    async fn protected_route(
+        OrganizationAdminAccess(_organization_id): OrganizationAdminAccess,
+    ) -> &'static str {
+        "extractor_success"
+    }
+
+    async fn login_and_build(
+        test_user: users::Model,
+        test_role: user_roles::Model,
+        test_organization: Vec<organizations::Model>,
+    ) -> (Router, String) {
+        let db = Arc::new(
+            MockDatabase::new(DatabaseBackend::Postgres)
+                .append_query_results([vec![(test_user.clone(), test_role.clone())]])
+                .append_query_results([vec![(test_user.clone(), test_role.clone())]])
+                .append_query_results([test_organization.clone()])
+                .into_connection(),
+        );
+
+        let app_state = AppState::new(
+            service::AppState::new(Config::default(), &db),
+            Arc::new(sse::Manager::default()),
+            domain::events::EventPublisher::default(),
+            None,
+            None,
+        );
+
+        let session_store = MemoryStore::default();
+        let session_layer = SessionManagerLayer::new(session_store)
+            .with_secure(false)
+            .with_expiry(Expiry::OnInactivity(Duration::days(1)))
+            .with_always_save(true);
+
+        let backend = Backend::new(&db);
+        let auth_layer = AuthManagerLayerBuilder::new(backend, session_layer).build();
+
+        let app = Router::new()
+            .route(
+                "/login",
+                axum::routing::post(crate::controller::user_session_controller::login),
+            )
+            .merge(
+                Router::new()
+                    .route(
+                        "/organizations/:organization_id/coaching_relationships",
+                        get(protected_route),
+                    )
+                    .route_layer(from_fn(require_auth)),
+            )
+            .layer(auth_layer)
+            .with_state(app_state);
+
+        let login_request = Request::builder()
+            .uri("/login")
+            .method("POST")
+            .header("content-type", "application/x-www-form-urlencoded")
+            .body(Body::from("email=test@example.com&password=password123"))
+            .unwrap();
+
+        let login_response = app.clone().oneshot(login_request).await.unwrap();
+
+        let cookie = login_response
+            .headers()
+            .get("set-cookie")
+            .and_then(|c| c.to_str().ok())
+            .expect("Login should return session cookie")
+            .to_string();
+
+        (app, cookie)
+    }
+
+    async fn make_protected_request(app: Router, cookie: String, organization_id: Id) -> Response {
+        let protected_request = Request::builder()
+            .uri(format!("/organizations/{}/coaching_relationships", organization_id).as_str())
+            .header("cookie", cookie)
+            .body(axum::body::Body::empty())
+            .unwrap();
+
+        app.oneshot(protected_request).await.unwrap()
+    }
+
+    #[tokio::test]
+    async fn admin_of_path_org_is_authorized() {
+        let organization_id = Id::new_v4();
+        let test_user = create_test_user();
+        let test_organization = vec![create_test_organization(organization_id)];
+        let test_role =
+            create_test_user_roles(test_user.id, users::Role::Admin, Some(organization_id));
+        let (app, cookie) = login_and_build(test_user, test_role, test_organization).await;
+
+        assert_eq!(
+            make_protected_request(app, cookie, organization_id)
+                .await
+                .status(),
+            StatusCode::OK
+        );
+    }
+
+    #[tokio::test]
+    async fn super_admin_is_authorized() {
+        let organization_id = Id::new_v4();
+        let test_user = create_test_user();
+        let test_organization = vec![create_test_organization(organization_id)];
+        let test_role = create_test_user_roles(test_user.id, users::Role::SuperAdmin, None);
+        let (app, cookie) = login_and_build(test_user, test_role, test_organization).await;
+
+        assert_eq!(
+            make_protected_request(app, cookie, organization_id)
+                .await
+                .status(),
+            StatusCode::OK
+        );
+    }
+
+    #[tokio::test]
+    async fn non_admin_member_is_unauthorized() {
+        let organization_id = Id::new_v4();
+        let test_user = create_test_user();
+        let test_organization = vec![create_test_organization(organization_id)];
+        let test_role =
+            create_test_user_roles(test_user.id, users::Role::User, Some(organization_id));
+        let (app, cookie) = login_and_build(test_user, test_role, test_organization).await;
+
+        assert_eq!(
+            make_protected_request(app, cookie, organization_id)
+                .await
+                .status(),
+            StatusCode::UNAUTHORIZED
+        );
+    }
+
+    #[tokio::test]
+    async fn mismatched_organization_is_unauthorized() {
+        let organization_id = Id::new_v4();
+        let other_id = Id::new_v4();
+        let test_user = create_test_user();
+        let test_organization = vec![create_test_organization(organization_id)];
+        let test_role = create_test_user_roles(test_user.id, users::Role::Admin, Some(other_id));
+        let (app, cookie) = login_and_build(test_user, test_role, test_organization).await;
+
+        assert_eq!(
+            make_protected_request(app, cookie, organization_id)
+                .await
+                .status(),
+            StatusCode::UNAUTHORIZED
+        );
+    }
+
+    #[tokio::test]
+    async fn missing_organization_is_not_found() {
+        let other_id = Id::new_v4();
+        let test_user = create_test_user();
+        let test_role = create_test_user_roles(test_user.id, users::Role::Admin, Some(other_id));
+        let empty_organization = vec![];
+        let (app, cookie) = login_and_build(test_user, test_role, empty_organization).await;
+
+        assert_eq!(
+            make_protected_request(app, cookie, other_id).await.status(),
+            StatusCode::NOT_FOUND
+        );
+    }
+}