Drasdo training, seminars, academy & coaching - logo design for a freelancer

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This customer received 14 logo designs from 3 designers. They chose this logo design from Onse Officials as the winning design.
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I am a freelance trainer & coach. My topics include rhetoric, leadership, team building.
I need a logo that looks modern (material design?). I think it would be nice if it comes across as fresh, professional and serious. From my point of view, dark blue in combination with citrus tones fits as colors. The logo can be two-tone or colorful if it still looks serious/professional.
I think the logo gives the best indication of the industry when it contains a speech bubble or two speech bubbles (dialogue).
I would prefer two speech bubbles/ dialogue if that fits well with the design.
I want to use it on homepage, in presentations, invoices, profile picture, etc. Aspect ratio 1:1 would therefore fit well.
About my work: I work for management consulting firms, pharmaceutical companies, banks, universities and clinics. I give seminars B. for Boston Consulting Group and Swiss Re on the subject of rhetoric. Another focus for me is leadership coaching and leadership training. I also organize team workshops.
As a font, I'd suggest Trebuchet MS, but I'm open to other modern, professional fonts as well. I would like an abstract logo.
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Target Market(s)
Education, coaching, seminars, training
Logo Text
Drasdo Training | rhetoric. leadership. team.
Font styles to use
Other font styles liked:
- Trebuchet MS
Colors
Colors selected by the customer to be used in the logo design:
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.
Elegant
Bold
Playful
Serious
Traditional
Modern
Personable
Professional
Feminine
Masculine
Colorful
Conservative
Economical
Upmarket
Requirements
Must have
- I would like a speech bubble or two integrated into the design, modern, professional effect.
Nice to have
- Modern design, e.g. B. material design
Should not have
- not too playful, no esoteric "life coaching" impression