diff --git a/README.md b/README.md
index 760013e..0df41f5 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,8 @@ reviewers:
     designer_b:
       - lead_desinger # username
       - desinger_a # username
+    team:engineering-managers:
+      - engineers
 
 files:
   # Keys are glob expressions.
diff --git a/dist/index.js b/dist/index.js
index b80ea99..79b6dd1 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -16017,6 +16017,20 @@ async function assign_reviewers(reviewers) {
   });
 }
 
+// https://docs.github.com/en/rest/teams/members?apiVersion=2022-11-28#list-team-members
+async function get_team_members(team) {
+  const context = get_context();
+  const octokit = get_octokit();
+  const org = context.payload.repository.owner.login;
+
+  const { data } = await octokit.teams.listMembersInOrg({
+    org,
+    team_slug: team,
+  });
+
+  return data?.map((member) => member.login);
+}
+
 /* Private */
 
 let context_cache;
@@ -16063,6 +16077,7 @@ module.exports = {
   fetch_changed_files,
   assign_reviewers,
   clear_cache,
+  get_team_members,
 };
 
 
@@ -16122,7 +16137,7 @@ async function run() {
   const reviewers_based_on_files = identify_reviewers_by_changed_files({ config, changed_files, excludes: [ author ] });
 
   core.info('Identifying reviewers based on the author');
-  const reviewers_based_on_author = identify_reviewers_by_author({ config, author });
+  const reviewers_based_on_author = await identify_reviewers_by_author({ config, author });
 
   core.info('Adding other group members to reviewers if group assignment feature is on');
   const reviewers_from_same_teams = fetch_other_group_members({ config, author });
@@ -16170,6 +16185,7 @@ if (process.env.NODE_ENV !== 'automated-testing') {
 const core = __nccwpck_require__(2186);
 const minimatch = __nccwpck_require__(3973);
 const sample_size = __nccwpck_require__(2199);
+const github = __nccwpck_require__(8396); // Don't destructure this object to stub with sinon in tests
 
 function fetch_other_group_members({ author, config }) {
   const DEFAULT_OPTIONS = {
@@ -16232,21 +16248,46 @@ function identify_reviewers_by_changed_files({ config, changed_files, excludes =
   return [ ...new Set(individuals) ].filter((reviewer) => !excludes.includes(reviewer));
 }
 
-function identify_reviewers_by_author({ config, 'author': specified_author }) {
+async function identify_reviewers_by_author({ config, 'author': specified_author }) {
   if (!(config.reviewers && config.reviewers.per_author)) {
     core.info('"per_author" is not set; returning no reviewers for the author.');
     return [];
   }
 
+  // async behavior must happen first
+  const team_member_promises = await Object.keys(config.reviewers.per_author).map(async (author) => {
+    if (author.startsWith('team:')) {
+      const team = author.replace('team:', '');
+
+      return {
+        author,
+        members: await github.get_team_members(team) || [],
+      };
+    }
+
+    return {
+      author,
+      members: [],
+    };
+  });
+  const team_members = await Promise.all(team_member_promises);
+
   // More than one author can be matched because groups are set as authors
   const matching_authors = Object.keys(config.reviewers.per_author).filter((author) => {
     if (author === specified_author) {
       return true;
     }
 
+    if (author.startsWith('team:')) {
+      const { members } = team_members.find((team) => team.author === author);
+      if (members.includes(specified_author)) {
+        return true;
+      }
+    }
+
     const individuals_in_author_setting = replace_groups_with_individuals({ reviewers: [ author ], config });
 
-    if (individuals_in_author_setting.includes(specified_author)) {
+    if (individuals_in_author_setting?.includes(specified_author)) {
       return true;
     }
 
diff --git a/src/github.js b/src/github.js
index 11ff8ad..377c4a9 100644
--- a/src/github.js
+++ b/src/github.js
@@ -112,6 +112,20 @@ async function assign_reviewers(reviewers) {
   });
 }
 
+// https://docs.github.com/en/rest/teams/members?apiVersion=2022-11-28#list-team-members
+async function get_team_members(team) {
+  const context = get_context();
+  const octokit = get_octokit();
+  const org = context.payload.repository.owner.login;
+
+  const { data } = await octokit.teams.listMembersInOrg({
+    org,
+    team_slug: team,
+  });
+
+  return data?.map((member) => member.login);
+}
+
 /* Private */
 
 let context_cache;
@@ -158,4 +172,5 @@ module.exports = {
   fetch_changed_files,
   assign_reviewers,
   clear_cache,
+  get_team_members,
 };
diff --git a/src/index.js b/src/index.js
index 5d23032..d72319a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -48,7 +48,7 @@ async function run() {
   const reviewers_based_on_files = identify_reviewers_by_changed_files({ config, changed_files, excludes: [ author ] });
 
   core.info('Identifying reviewers based on the author');
-  const reviewers_based_on_author = identify_reviewers_by_author({ config, author });
+  const reviewers_based_on_author = await identify_reviewers_by_author({ config, author });
 
   core.info('Adding other group members to reviewers if group assignment feature is on');
   const reviewers_from_same_teams = fetch_other_group_members({ config, author });
diff --git a/src/reviewer.js b/src/reviewer.js
index 086ef66..569ba2e 100644
--- a/src/reviewer.js
+++ b/src/reviewer.js
@@ -3,6 +3,7 @@
 const core = require('@actions/core');
 const minimatch = require('minimatch');
 const sample_size = require('lodash/sampleSize');
+const github = require('./github'); // Don't destructure this object to stub with sinon in tests
 
 function fetch_other_group_members({ author, config }) {
   const DEFAULT_OPTIONS = {
@@ -65,21 +66,46 @@ function identify_reviewers_by_changed_files({ config, changed_files, excludes =
   return [ ...new Set(individuals) ].filter((reviewer) => !excludes.includes(reviewer));
 }
 
-function identify_reviewers_by_author({ config, 'author': specified_author }) {
+async function identify_reviewers_by_author({ config, 'author': specified_author }) {
   if (!(config.reviewers && config.reviewers.per_author)) {
     core.info('"per_author" is not set; returning no reviewers for the author.');
     return [];
   }
 
+  // async behavior must happen first
+  const team_member_promises = await Object.keys(config.reviewers.per_author).map(async (author) => {
+    if (author.startsWith('team:')) {
+      const team = author.replace('team:', '');
+
+      return {
+        author,
+        members: await github.get_team_members(team) || [],
+      };
+    }
+
+    return {
+      author,
+      members: [],
+    };
+  });
+  const team_members = await Promise.all(team_member_promises);
+
   // More than one author can be matched because groups are set as authors
   const matching_authors = Object.keys(config.reviewers.per_author).filter((author) => {
     if (author === specified_author) {
       return true;
     }
 
+    if (author.startsWith('team:')) {
+      const { members } = team_members.find((team) => team.author === author);
+      if (members.includes(specified_author)) {
+        return true;
+      }
+    }
+
     const individuals_in_author_setting = replace_groups_with_individuals({ reviewers: [ author ], config });
 
-    if (individuals_in_author_setting.includes(specified_author)) {
+    if (individuals_in_author_setting?.includes(specified_author)) {
       return true;
     }
 
diff --git a/test/github.test.js b/test/github.test.js
index 7a21ca5..a770d91 100644
--- a/test/github.test.js
+++ b/test/github.test.js
@@ -14,6 +14,7 @@ const {
   fetch_changed_files,
   assign_reviewers,
   clear_cache,
+  get_team_members,
 } = require('../src/github');
 
 describe('github', function() {
@@ -155,4 +156,38 @@ describe('github', function() {
       });
     });
   });
+
+  describe('get_team_members()', function() {
+    const stub = sinon.stub();
+    const octokit = {
+      teams: {
+        listMembersInOrg: stub,
+      },
+    };
+
+    beforeEach(function() {
+      github.getOctokit.resetBehavior();
+      github.getOctokit.returns(octokit);
+    });
+
+    it('gets team members', async function() {
+      stub.returns({
+        data: [
+          { login: 'bowser' },
+          { login: 'king-boo' },
+          { login: 'goomboss' },
+        ],
+      });
+
+      const team = 'koopa-troop';
+      const actual = await get_team_members(team);
+
+      expect(stub.calledOnce).to.be.true;
+      expect(stub.lastCall.args[0]).to.deep.equal({
+        org: 'necojackarc',
+        team_slug: 'koopa-troop',
+      });
+      expect(actual).to.deep.equal([ 'bowser', 'king-boo', 'goomboss' ]);
+    });
+  });
 });
diff --git a/test/reviewer.test.js b/test/reviewer.test.js
index 83facc1..1b5cf21 100644
--- a/test/reviewer.test.js
+++ b/test/reviewer.test.js
@@ -9,6 +9,8 @@ const {
   randomly_pick_reviewers,
 } = require('../src/reviewer');
 const { expect } = require('chai');
+const github = require('../src/github');
+const sinon = require('sinon');
 
 describe('reviewer', function() {
   describe('fetch_other_group_members()', function() {
@@ -136,36 +138,45 @@ describe('reviewer', function() {
           designers: [ 'mario', 'princess-peach', 'princess-daisy' ],
         },
         per_author: {
-          engineers: [ 'engineers', 'dr-mario' ],
-          designers: [ 'designers' ],
-          yoshi: [ 'mario', 'luige' ],
+          'engineers': [ 'engineers', 'dr-mario' ],
+          'designers': [ 'designers' ],
+          'yoshi': [ 'mario', 'luige' ],
+          'team:koopa-troop': [ 'mario' ],
         },
       },
     };
 
-    it('returns nothing when config does not have a "per-author" key', function() {
+    const stub = sinon.stub(github, 'get_team_members');
+    stub.withArgs('koopa-troop').returns([ 'bowser', 'king-boo', 'goomboss' ]);
+
+    it('returns nothing when config does not have a "per-author" key', async function() {
       const author = 'THIS DOES NOT MATTER';
-      expect(identify_reviewers_by_author({ config: { reviewers: {} }, author })).to.deep.equal([]);
+      expect(await identify_reviewers_by_author({ config: { reviewers: {} }, author })).to.deep.equal([]);
     });
 
-    it('returns nothing when the author does not exist in the "per-author" settings', function() {
+    it('returns nothing when the author does not exist in the "per-author" settings', async function() {
       const author = 'toad';
-      expect(identify_reviewers_by_author({ config, author })).to.deep.equal([]);
+      expect(await identify_reviewers_by_author({ config, author })).to.deep.equal([]);
     });
 
-    it('returns the reviewers for the author', function() {
+    it('returns the reviewers for the author', async function() {
       const author = 'yoshi';
-      expect(identify_reviewers_by_author({ config, author })).to.have.members([ 'mario', 'luige' ]);
+      expect(await identify_reviewers_by_author({ config, author })).to.have.members([ 'mario', 'luige' ]);
     });
 
-    it('works when a author setting is specified with a group', function() {
+    it('works when a author setting is specified with a group', async function() {
       const author = 'luigi';
-      expect(identify_reviewers_by_author({ config, author })).to.have.members([ 'mario', 'wario', 'waluigi', 'dr-mario' ]);
+      expect(await identify_reviewers_by_author({ config, author })).to.have.members([ 'mario', 'wario', 'waluigi', 'dr-mario' ]);
     });
 
-    it('works when the author belongs to more than one group', function() {
+    it('works when the author belongs to more than one group', async function() {
       const author = 'mario';
-      expect(identify_reviewers_by_author({ config, author })).to.have.members([ 'dr-mario', 'luigi', 'wario', 'waluigi', 'princess-peach', 'princess-daisy' ]);
+      expect(await identify_reviewers_by_author({ config, author })).to.have.members([ 'dr-mario', 'luigi', 'wario', 'waluigi', 'princess-peach', 'princess-daisy' ]);
+    });
+
+    it('works when gh team slug used for auther', async function() {
+      const author = 'bowser';
+      expect(await identify_reviewers_by_author({ config, author })).to.have.members([ 'mario' ]);
     });
   });