Where Vision Transforms Into Identity
FOUNDER AND OWNER
FERIAL YOUAKIM — CREATOR OF THE 4X4 COLOR SYSTEM – 16 SEASONS®
Entrepreneur • Visionary • Educator • Industry Leader
Her journey began with adversity, arriving as a refugee and rebuilding her life from the ground up. What emerged from that experience was not just resilience, but a mission — to elevate others, unlock their potential, and help them create meaningful impact through their presence, their voice, and their work.
This is more than color.
This is identity.
This is transformation.
At ByFERIAL, we don’t just teach image — we redefine how individuals see themselves, show up in the world, and step into their highest potential. Through the 4X4 Color System – 16 Seasons® and the integration of Personality DNA™, we empower a new generation of leaders to align who they are with how they present, influence, and lead.
This is where confidence becomes clarity.
Where presence becomes power.
Where your next level begins.
OFFICIAL CERTIFIED BYFERIAL TRAINERS
REBECCA DOSTER
Rebecca Doster is the founder of Refined Style by Rebecca and an internationally certified Master Image Coach and Trainer whose work transforms the way people show up — and feel — in every room they walk into.
Based in Athens, Georgia and serving clients across the Atlanta metro area and beyond, Rebecca specializes in professional color analysis using the Universal 4X4 Color System (16 Seasons)® and personal styling consultations. All services are available virtually, making expert image guidance accessible no matter where you are. Her primary focus is women at pivotal moments in their lives — professionals stepping into bigger roles, women navigating career transitions, and those simply ready to stop guessing and start dressing with intention. She also works with male professionals who are ready to elevate their presence, as well as men navigating major life transitions who are looking for trusted, knowledgeable guidance on building a wardrobe that works for them.
SERENA BALLERINI
Serena Ballerini is a Pro Make-up Artist, a Certified Master Image Coach (CMIC) and also 4×4 Color Trainer.
She combines these expertise to guide women into the right direction of their communication, by choosing the most flattering colors, outfits, hair cuts, accessories and make-up according to their personality, personal style and purpose in life.
Beside, knowing the right range of colors, she teaches self make-up to make women able to enhance their natural beauty and achieve their best make-up look by themselves, with personalized techniques based on morphology and personality.
She does the same in some hospitals for women who are facing chemotherapy with amazing results on their attitude, positivity and self confidence. That is why women who are facing a hard moment in life turned to be her most successful clients.
OYA MIRANTI
Oya Miranti, experience more than 9 years of teaching, both for leading companies and large communities, who want to develop soft skills, especially personality, such as banking, insurance, industrial, BUMN, government, communities and several universities in Indonesia.
As a Color Image Consultant and Trainer, several certifications have been followed, such as Certified Image Consultant International, 4×4 Color System By Ferial International, Graduated From John Robert Power School, Levels 1-2 .
With current knowledge and experience, Oya Miranti is an expert in teaching in various fields, such as professional image, public speaking, professional look, business etiquette.
As a book author of Branding You & Great Inside Outside, Oya Miranti would like to convey that everyone has the opportunity to develop and improve their self-image.
