Reflector can run on startup if you set it to within your Mac's System Preferences.

1. Open System Preferences and click Accounts (Users & Groups) in the System row.

2. Click the Login Items tab

3. Click the Add (+) button.

4. Scroll down and click the Applications folder.

5. Select Reflector and click the Add button.

That is it. Reflector will now launch when you startup your Mac!