
To handle an airline account, we need a tough person. He not only needs to be knowledgeable and social media savvy, but he also must be reliable and, most importantly, responsible. Tony answered every comment, question, and even complaint patiently and amicably, making the fans and followers feel like friends with and fall in love with the account — and the man behind it, Tony. He earned the love, respect, and sympathy of his fans and followers, proving he was the best man for the job.




The Growth Circle is our letter for leaders and teams shaping growth cultures — one reflection from the field, one practical framework, or one question worth exploring with your team. Practical, human, and worth your time.
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TUMBUH is a growth consulting company that bridges the gap between thinking and doing.
We bring the clarity of consultants, the empathy of coaches, and the practicality of practitioners — helping leaders and teams turn ideas into progress that's practical, human, and lasting.
Growth is never solo. It's a circle we share. #GrowWithTUMBUH!
Shared when it's ready. Always worth your time.