Of course, both approaches are excellent. When you contact the PSA through SFI recommend that you use and send E card welcome. How to make a visually better picture of the seriousness of your company as a sponsor. While over personal e-mail can be closer to your PSA and better to introduce yourself and introduce him to the job.
So that all options are possible and make the most of them.
I wish you much success in your work, I hope you find this answer helpful.
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