Ahmed Othman

learning marketing management development leadership تسويق ahmed othman key account management adaptive selling sales process مهارات البيع career negotiation skills مهارات التواصل training handling customer objections communication skills basic selling skills prospecting تعليم positioning value landscap ماكيت scale model ksa السعودية ماس جروب urban maquette تصميم هندسى makhzani design مجسمات مخزنى مجسم معمارى mass group architectural motivation