Once you have a list of potential service improvement experts in your network, you need to reach out and engage with them. You can use various channels, such as email, phone, social media, or online forums, to initiate contact. You can also leverage existing opportunities, such as meetings, workshops, webinars, or conferences, to connect with them. When you reach out, you need to be respectful, professional, and genuine. You need to introduce yourself, explain your goal, and express your interest in learning from them. You need to ask open-ended questions, listen actively, and provide value. You need to follow up, maintain contact, and build trust.