Subject: Regarding opportunity to re-join <left company name>
Hello Mr. XYZ
Hope you are doing well.
I am ex-employee of <left company name> who had been working with company from Feb 2008 to Mar 2012.
To explore other opportunities, I had left the <left company name> in Mar 2012 and joined <current company name>.
Last Saturday, I had an opportunity to interact with my friends and ex-colleagues who are working with <left company name> currently.
During informal conversation, I knew about <left company’s> growth in the short time-span and the roadmap ahead to achieve.
The figures are very impressive not only for employees but also for IT Industry.
Many congratulations to you for this achievement as without your passion and visionary approach this could not have been possible.
After working 3 years with my current organization, now I am looking for a change.
I foresee that, <left company name> can provide a platform for this where I can play a larger role than I had ever before in my professional career.
I am eager to accept new challenges, bigger roles and responsibilities in adherence to company’s current policy.
With this mail, my updated resume has attached for your consideration.
Please see if my current profile aligns with your existing requirements.
If you suggest, we can meet personally and discuss over this.
Look forward to be a part of <left company name> family and perform my best in attainment of company vision.
I would be happy to provide more details in this reference, if required any.