ON BEHALF OF basically equals FOR i.e. for myself

It's often used when a host or presenter at an event is giving thanks to those who have contributed. The host will be giving thanks on behalf of other people or organisations. By including 'on behalf of myself' the speaker is making clear that he or she is also personally thankful. Personally, I think it's a clumsy use of English though.

⛔️⛔️⛔️Most Common Grammar Mistakes In English⛔️⛔️⛔️ 1. LET’S VS. LETS Let’s not get carried away here — this one is pretty simple: Let’s = let us. As in, let us not get carried away here… Lets = to make something possible. This checklist lets you write better. 2. ITS VS. IT’S It’s simple: It’s = it is. As in, it’s so dang cold outside. Its = associated with something recently mentioned. As in, the weather has a mind of its own. 3. YOUR VS. YOU’RE Your is a possessive pronoun that describes ownership of an item: your jacket is sweet! You’re is the contraction of you are: you’re probably glad you have that jacket. 4. MAY VS. MIGHT May indicates a possibility; might indicates a hypothetical probability. I may quit my job — even though I’m good at it. Then again, I might get fired. 5. LAY VS. LIE Lay describes the action of placing something flat: lay down, Fido! Lie describes the status of something resting flat: Fido likes lying (lie-ing) down. 6. AFFECT VS. EFFECT Affect implies action: “I want to affect the world in a positive way,” said Jane. Effect describes its result. “The effects of your intention should be good,” replied her friend. Find out more about Affect vs. Effect here. 7. TOO OBVIOUS? Is this one too obvious, or not? Based on what must be billions of text-message bloopers it’s probably worth mentioning! Too refers to, well, too much of something / too many of something: “I have too much money to live in such a small house.” It can also be used as a form of agreement: “yeah, I feel that way too.” 8. TO VS. TWO Two is a number (you know, this one: 2). ‘To’ is a word meant to be used in all sorts of different ways. 9. THERE VS. THEIR There refers to a location; their refers to a designation: “See that restaurant over there?” – “Yep, that’s their favorite one!” 10. THEIR VS. THEY’RE They’re = they are: ‘They’re going to love that restaurant!’ – “Yeah, like I said it’s their fav.” 11. LOOSE VS. LOSE Loose refers to something that’s been