diff --git a/src/modules/oauth/passport-strategies/mailchimp-strategy.ts b/src/modules/oauth/passport-strategies/mailchimp-strategy.ts
new file mode 100644
index 0000000..1bea4fd
--- /dev/null
+++ b/src/modules/oauth/passport-strategies/mailchimp-strategy.ts
@@ -0,0 +1,47 @@
+import { Profile, Strategy, StrategyOptions } from 'passport-google-oauth20';
+import { PassportStrategy } from '@nestjs/passport';
+import { Inject, Injectable, Req } from '@nestjs/common';
+import { OauthSecrets } from 'src/utils/OauthSecrets';
+
+@Injectable()
+export class MailChimpStrategy extends PassportStrategy(Strategy, 'google') {
+  constructor(
+    @Inject('OAUTH_SECRETS')
+    private readonly oauthSecrets: OauthSecrets,
+  ) {
+    const options: StrategyOptions = {
+      clientID: oauthSecrets.google.client_id,
+      clientSecret: oauthSecrets.google.client_secret,
+      scope: [
+        'https://www.googleapis.com/auth/drive.metadata.readonly',
+        'https://www.googleapis.com/auth/spreadsheets.readonly',
+        'https://www.googleapis.com/auth/userinfo.email',
+      ],
+      callbackURL: oauthSecrets.google.redirect_uri,
+    };
+    const verify = (
+      accessToken: string,
+      refreshToken: string,
+      profile: Profile,
+      done,
+    ) => {
+      console.log('verify');
+      return done(null, profile, { accessToken, refreshToken });
+    };
+
+    super(options, verify);
+  }
+
+  authenticate(@Req() req, options) {
+    const { customer_id } = req.query;
+    options.state = customer_id;
+    options.accessType = 'offline';
+    options.prompt = 'consent';
+    super.authenticate(req, options);
+  }
+
+  async validate(...args) {
+    console.log('validate');
+    console.log(args);
+  }
+}