diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/api.yml b/spiffworkflow-backend/src/spiffworkflow_backend/api.yml
index a3e0eeaac..e5e0db974 100755
--- a/spiffworkflow-backend/src/spiffworkflow_backend/api.yml
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/api.yml
@@ -278,7 +278,13 @@ paths:
         required: false
         description: Get all sub process models recursively if true
         schema:
-          type: string
+          type: boolean
+      - name: filter_runnable_by_user
+        in: query
+        required: false
+        description: Get only the process models that the user can run
+        schema:
+          type: boolean
       - name: page
         in: query
         required: false
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/development.yml b/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/development.yml
index 904fdc94a..8a5881a2b 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/development.yml
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/development.yml
@@ -53,8 +53,8 @@ groups:
         lead,
       ]
 
-  hr:
-    users: [manuchehr]
+  core-contributor:
+    users: [core]
 
 permissions:
   tasks-crud:
@@ -62,26 +62,6 @@ permissions:
     users: []
     allowed_permissions: [create, read, update, delete]
     uri: /v1.0/tasks/*
-  process-model-read-all:
-    groups: [everybody]
-    users: []
-    allowed_permissions: [read]
-    uri: /v1.0/process-models/*
-  process-group-read-all:
-    groups: [everybody]
-    users: []
-    allowed_permissions: [read]
-    uri: /v1.0/process-groups/*
-  process-instance-list:
-    groups: [everybody]
-    users: []
-    allowed_permissions: [read]
-    uri: /v1.0/process-instances
-  process-instance-report-list:
-    groups: [everybody]
-    users: []
-    allowed_permissions: [read]
-    uri: /v1.0/process-instances/reports
 
   admin:
     groups: [admin]
@@ -90,7 +70,7 @@ permissions:
     uri: /*
 
   read-all:
-    groups: ["Finance Team", "Project Lead", hr, admin]
+    groups: ["Finance Team", "Project Lead", admin]
     users: []
     allowed_permissions: [read]
     uri: /*
@@ -156,3 +136,39 @@ permissions:
     users: []
     allowed_permissions: [create, read, update, delete]
     uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management/*
+
+  core-admin:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-groups/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-groups/manage-procurement:procurement:vendor-invoice-management/*
+  core-admin-models:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-models-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management/*
+  core-admin-models-instantiate:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management:invoice-approval/process-instances
+  core-admin-instances:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-instances-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management/*
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/terraform_deployed_environment.yml b/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/terraform_deployed_environment.yml
index 7c32ebec2..8a5881a2b 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/terraform_deployed_environment.yml
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/config/permissions/terraform_deployed_environment.yml
@@ -53,8 +53,8 @@ groups:
         lead,
       ]
 
-  hr:
-    users: [manuchehr]
+  core-contributor:
+    users: [core]
 
 permissions:
   tasks-crud:
@@ -70,7 +70,7 @@ permissions:
     uri: /*
 
   read-all:
-    groups: ["Finance Team", "Project Lead", hr, admin]
+    groups: ["Finance Team", "Project Lead", admin]
     users: []
     allowed_permissions: [read]
     uri: /*
@@ -136,3 +136,39 @@ permissions:
     users: []
     allowed_permissions: [create, read, update, delete]
     uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management/*
+
+  core-admin:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-groups/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-groups/manage-procurement:procurement:vendor-invoice-management/*
+  core-admin-models:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-models-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [read]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management/*
+  core-admin-models-instantiate:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-models/manage-procurement:procurement:vendor-invoice-management:invoice-approval/process-instances
+  core-admin-instances:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management:*
+  core-admin-instances-slash:
+    groups: ["core-contributor"]
+    users: []
+    allowed_permissions: [create]
+    uri: /v1.0/process-instances/manage-procurement:procurement:vendor-invoice-management/*
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/routes/process_api_blueprint.py b/spiffworkflow-backend/src/spiffworkflow_backend/routes/process_api_blueprint.py
index 1652cf884..9026abb0e 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/routes/process_api_blueprint.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/routes/process_api_blueprint.py
@@ -349,12 +349,15 @@ def process_model_move(
 def process_model_list(
     process_group_identifier: Optional[str] = None,
     recursive: Optional[bool] = False,
+    filter_runnable_by_user: Optional[bool] = False,
     page: int = 1,
     per_page: int = 100,
 ) -> flask.wrappers.Response:
     """Process model list!"""
     process_models = ProcessModelService().get_process_models(
-        process_group_id=process_group_identifier, recursive=recursive
+        process_group_id=process_group_identifier,
+        recursive=recursive,
+        filter_runnable_by_user=filter_runnable_by_user,
     )
     batch = ProcessModelService().get_batch(
         process_models, page=page, per_page=per_page
@@ -1319,7 +1322,7 @@ def task_submit(
         task_id, process_instance, processor=processor
     )
     AuthorizationService.assert_user_can_complete_spiff_task(
-        processor, spiff_task, principal.user
+        process_instance.id, spiff_task, principal.user
     )
 
     if spiff_task.state != TaskState.READY:
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/authorization_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/authorization_service.py
index 29ee78845..ea488f7a9 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/authorization_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/authorization_service.py
@@ -24,9 +24,6 @@ from spiffworkflow_backend.models.user import UserModel
 from spiffworkflow_backend.models.user import UserNotFoundError
 from spiffworkflow_backend.models.user_group_assignment import UserGroupAssignmentModel
 from spiffworkflow_backend.services.group_service import GroupService
-from spiffworkflow_backend.services.process_instance_processor import (
-    ProcessInstanceProcessor,
-)
 from spiffworkflow_backend.services.user_service import UserService
 
 
@@ -393,25 +390,25 @@ class AuthorizationService:
 
     @staticmethod
     def assert_user_can_complete_spiff_task(
-        processor: ProcessInstanceProcessor,
+        process_instance_id: int,
         spiff_task: SpiffTask,
         user: UserModel,
     ) -> bool:
         """Assert_user_can_complete_spiff_task."""
         active_task = ActiveTaskModel.query.filter_by(
             task_name=spiff_task.task_spec.name,
-            process_instance_id=processor.process_instance_model.id,
+            process_instance_id=process_instance_id,
         ).first()
         if active_task is None:
             raise ActiveTaskNotFoundError(
                 f"Could find an active task with task name '{spiff_task.task_spec.name}'"
-                f" for process instance '{processor.process_instance_model.id}'"
+                f" for process instance '{process_instance_id}'"
             )
 
         if user not in active_task.potential_owners:
             raise UserDoesNotHaveAccessToTaskError(
                 f"User {user.username} does not have access to update task'{spiff_task.task_spec.name}'"
-                f" for process instance '{processor.process_instance_model.id}'"
+                f" for process instance '{process_instance_id}'"
             )
         return True
 
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_service.py
index 3c81e1b12..34ec6a261 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_service.py
@@ -197,7 +197,7 @@ class ProcessInstanceService:
         a multi-instance task.
         """
         AuthorizationService.assert_user_can_complete_spiff_task(
-            processor, spiff_task, user
+            processor.process_instance_model.id, spiff_task, user
         )
 
         dot_dct = ProcessInstanceService.create_dot_dict(data)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
index f9788658f..aa7da7990 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
@@ -18,7 +18,9 @@ from spiffworkflow_backend.models.process_group import ProcessGroupSchema
 from spiffworkflow_backend.models.process_instance import ProcessInstanceModel
 from spiffworkflow_backend.models.process_model import ProcessModelInfo
 from spiffworkflow_backend.models.process_model import ProcessModelInfoSchema
+from spiffworkflow_backend.services.authorization_service import AuthorizationService
 from spiffworkflow_backend.services.file_system_service import FileSystemService
+from spiffworkflow_backend.services.user_service import UserService
 
 T = TypeVar("T")
 
@@ -179,7 +181,10 @@ class ProcessModelService(FileSystemService):
         raise ProcessEntityNotFoundError("process_model_not_found")
 
     def get_process_models(
-        self, process_group_id: Optional[str] = None, recursive: Optional[bool] = False
+        self,
+        process_group_id: Optional[str] = None,
+        recursive: Optional[bool] = False,
+        filter_runnable_by_user: Optional[bool] = False,
     ) -> List[ProcessModelInfo]:
         """Get process models."""
         process_models = []
@@ -201,6 +206,19 @@ class ProcessModelService(FileSystemService):
             )
             process_models.append(process_model)
         process_models.sort()
+
+        if filter_runnable_by_user:
+            user = UserService.current_user()
+            new_process_model_list = []
+            for process_model in process_models:
+                uri = f"/v1.0/process-models/{process_model.id.replace('/', ':')}/process-instances"
+                result = AuthorizationService.user_has_permission(
+                    user=user, permission="create", target_uri=uri
+                )
+                if result:
+                    new_process_model_list.append(process_model)
+            return new_process_model_list
+
         return process_models
 
     def get_process_groups(
diff --git a/spiffworkflow-frontend/src/components/ProcessInstanceRun.tsx b/spiffworkflow-frontend/src/components/ProcessInstanceRun.tsx
index 3494ea0bb..c5d79abd7 100644
--- a/spiffworkflow-frontend/src/components/ProcessInstanceRun.tsx
+++ b/spiffworkflow-frontend/src/components/ProcessInstanceRun.tsx
@@ -4,10 +4,16 @@ import {
   Button,
   // @ts-ignore
 } from '@carbon/react';
-import { ProcessModel, RecentProcessModel } from '../interfaces';
+import { Can } from '@casl/react';
+import {
+  PermissionsToCheck,
+  ProcessModel,
+  RecentProcessModel,
+} from '../interfaces';
 import HttpService from '../services/HttpService';
 import ErrorContext from '../contexts/ErrorContext';
 import { modifyProcessIdentifierForPathParam } from '../helpers';
+import { usePermissionFetcher } from '../hooks/PermissionService';
 
 const storeRecentProcessModelInLocalStorage = (
   processModelForStorage: ProcessModel
@@ -75,6 +81,12 @@ export default function ProcessInstanceRun({
     processModel.id
   );
 
+  const processInstanceActionPath = `/v1.0/process-models/${modifiedProcessModelId}/process-instances`;
+  const permissionRequestData: PermissionsToCheck = {
+    [processInstanceActionPath]: ['POST'],
+  };
+  const { ability } = usePermissionFetcher(permissionRequestData);
+
   const onProcessInstanceRun = (processInstance: any) => {
     // FIXME: ensure that the task is actually for the current user as well
     const processInstanceId = (processInstance as any).id;
@@ -98,15 +110,17 @@ export default function ProcessInstanceRun({
 
   const processInstanceCreateAndRun = () => {
     HttpService.makeCallToBackend({
-      path: `/process-models/${modifiedProcessModelId}/process-instances`,
+      path: processInstanceActionPath,
       successCallback: processModelRun,
       httpMethod: 'POST',
     });
   };
 
   return (
-    <Button onClick={processInstanceCreateAndRun} className={className}>
-      Run
-    </Button>
+    <Can I="POST" a={processInstanceActionPath} ability={ability}>
+      <Button onClick={processInstanceCreateAndRun} className={className}>
+        Run
+      </Button>
+    </Can>
   );
 }
diff --git a/spiffworkflow-frontend/src/components/ProcessModelListTiles.tsx b/spiffworkflow-frontend/src/components/ProcessModelListTiles.tsx
index be5185a76..3b0292bb9 100644
--- a/spiffworkflow-frontend/src/components/ProcessModelListTiles.tsx
+++ b/spiffworkflow-frontend/src/components/ProcessModelListTiles.tsx
@@ -33,11 +33,11 @@ export default function ProcessModelListTiles({
       setProcessModels(result.results);
     };
     // only allow 10 for now until we get the backend only returning certain models for user execution
-    let queryParams = '?per_page=1000';
+    let queryParams = '?per_page=20';
     if (processGroup) {
       queryParams = `${queryParams}&process_group_identifier=${processGroup.id}`;
     } else {
-      queryParams = `${queryParams}&recursive=true`;
+      queryParams = `${queryParams}&recursive=true&filter_runnable_by_user=true`;
     }
     HttpService.makeCallToBackend({
       path: `/process-models${queryParams}`,
diff --git a/spiffworkflow-frontend/src/index.css b/spiffworkflow-frontend/src/index.css
index 8d389ad06..00f947689 100644
--- a/spiffworkflow-frontend/src/index.css
+++ b/spiffworkflow-frontend/src/index.css
@@ -256,3 +256,7 @@ in on this with the react-jsonschema-form repo. This is just a patch fix to allo
 .clear-left {
   clear: left;
 }
+
+td.actions-cell {
+  width: 1em;
+}
diff --git a/spiffworkflow-frontend/src/routes/MyTasks.tsx b/spiffworkflow-frontend/src/routes/MyTasks.tsx
index b33e459b1..34ca7e9e5 100644
--- a/spiffworkflow-frontend/src/routes/MyTasks.tsx
+++ b/spiffworkflow-frontend/src/routes/MyTasks.tsx
@@ -18,7 +18,7 @@ import {
 import ProcessInstanceRun from '../components/ProcessInstanceRun';
 
 const PER_PAGE_FOR_TASKS_ON_HOME_PAGE = 5;
-const REFRESH_INTERVAL = 10;
+const REFRESH_INTERVAL = 5;
 const REFRESH_TIMEOUT = 600;
 
 export default function MyTasks() {
@@ -158,7 +158,7 @@ export default function MyTasks() {
               {row.processModelDisplayName}
             </Link>
           </td>
-          <td>
+          <td className="actions-cell">
             <ProcessInstanceRun
               processModel={processModel}
               onSuccessCallback={setProcessInstance}
diff --git a/spiffworkflow-frontend/src/routes/ProcessGroupShow.tsx b/spiffworkflow-frontend/src/routes/ProcessGroupShow.tsx
index cdc28be8d..cde1f20f2 100644
--- a/spiffworkflow-frontend/src/routes/ProcessGroupShow.tsx
+++ b/spiffworkflow-frontend/src/routes/ProcessGroupShow.tsx
@@ -1,6 +1,6 @@
 import { useEffect, useState } from 'react';
 import {
-  Link,
+  // Link,
   useSearchParams,
   useParams,
   useNavigate,
@@ -11,10 +11,9 @@ import {
   // @ts-ignore
 } from '@carbon/icons-react';
 // @ts-ignore
-import { Button, Table, Stack } from '@carbon/react';
+import { Button, Stack } from '@carbon/react';
 import { Can } from '@casl/react';
 import ProcessBreadcrumb from '../components/ProcessBreadcrumb';
-import PaginationForTable from '../components/PaginationForTable';
 import HttpService from '../services/HttpService';
 import {
   getPageInfoFromSearchParams,
@@ -25,7 +24,7 @@ import {
   PaginationObject,
   PermissionsToCheck,
   ProcessGroup,
-  ProcessModel,
+  // ProcessModel,
 } from '../interfaces';
 import { useUriListForPermissions } from '../hooks/UriListForPermissions';
 import { usePermissionFetcher } from '../hooks/PermissionService';
@@ -39,7 +38,7 @@ export default function ProcessGroupShow() {
   const navigate = useNavigate();
 
   const [processGroup, setProcessGroup] = useState<ProcessGroup | null>(null);
-  const [processModels, setProcessModels] = useState([]);
+  // const [processModels, setProcessModels] = useState([]);
   const [modelPagination, setModelPagination] =
     useState<PaginationObject | null>(null);
 
@@ -55,7 +54,7 @@ export default function ProcessGroupShow() {
     const { page, perPage } = getPageInfoFromSearchParams(searchParams);
 
     const setProcessModelFromResult = (result: any) => {
-      setProcessModels(result.results);
+      // setProcessModels(result.results);
       setModelPagination(result.pagination);
     };
     const processResult = (result: any) => {
@@ -74,42 +73,42 @@ export default function ProcessGroupShow() {
     });
   }, [params, searchParams]);
 
-  const buildModelTable = () => {
-    if (processGroup === null) {
-      return null;
-    }
-    const rows = processModels.map((row: ProcessModel) => {
-      const modifiedProcessModelId: String =
-        modifyProcessIdentifierForPathParam((row as any).id);
-      return (
-        <tr key={row.id}>
-          <td>
-            <Link
-              to={`/admin/process-models/${modifiedProcessModelId}`}
-              data-qa="process-model-show-link"
-            >
-              {row.id}
-            </Link>
-          </td>
-          <td>{row.display_name}</td>
-        </tr>
-      );
-    });
-    return (
-      <div>
-        <h2>Process Models</h2>
-        <Table striped bordered>
-          <thead>
-            <tr>
-              <th>Process Model Id</th>
-              <th>Display Name</th>
-            </tr>
-          </thead>
-          <tbody>{rows}</tbody>
-        </Table>
-      </div>
-    );
-  };
+  // const buildModelTable = () => {
+  //   if (processGroup === null) {
+  //     return null;
+  //   }
+  //   const rows = processModels.map((row: ProcessModel) => {
+  //     const modifiedProcessModelId: String =
+  //       modifyProcessIdentifierForPathParam((row as any).id);
+  //     return (
+  //       <tr key={row.id}>
+  //         <td>
+  //           <Link
+  //             to={`/admin/process-models/${modifiedProcessModelId}`}
+  //             data-qa="process-model-show-link"
+  //           >
+  //             {row.id}
+  //           </Link>
+  //         </td>
+  //         <td>{row.display_name}</td>
+  //       </tr>
+  //     );
+  //   });
+  //   return (
+  //     <div>
+  //       <h2>Process Models</h2>
+  //       <Table striped bordered>
+  //         <thead>
+  //           <tr>
+  //             <th>Process Model Id</th>
+  //             <th>Display Name</th>
+  //           </tr>
+  //         </thead>
+  //         <tbody>{rows}</tbody>
+  //       </Table>
+  //     </div>
+  //   );
+  // };
 
   const navigateToProcessGroups = (_result: any) => {
     navigate(`/admin/process-groups`);
@@ -128,7 +127,7 @@ export default function ProcessGroupShow() {
   };
 
   if (processGroup && modelPagination) {
-    const { page, perPage } = getPageInfoFromSearchParams(searchParams);
+    // const { page, perPage } = getPageInfoFromSearchParams(searchParams);
     const modifiedProcessGroupId = modifyProcessIdentifierForPathParam(
       processGroup.id
     );
diff --git a/spiffworkflow-frontend/src/services/HttpService.ts b/spiffworkflow-frontend/src/services/HttpService.ts
index 72a92a98e..119765a7b 100644
--- a/spiffworkflow-frontend/src/services/HttpService.ts
+++ b/spiffworkflow-frontend/src/services/HttpService.ts
@@ -66,9 +66,11 @@ backendCallProps) => {
     method: httpMethod,
   });
 
+  const updatedPath = path.replace(/^\/v1\.0/, '');
+
   let isSuccessful = true;
   let is403 = false;
-  fetch(`${BACKEND_BASE_URL}${path}`, httpArgs)
+  fetch(`${BACKEND_BASE_URL}${updatedPath}`, httpArgs)
     .then((response) => {
       if (response.status === 401) {
         UserService.doLogin();