Creating a strong and diverse network of professionals can be extremely beneficial for your career and professional goals. Here are some key steps to establishing and growing a professional network: 

1. Identify Your Goals: Determine your goals for the network, whether to find new professional opportunities, benefit from advice and mentoring, or expand your knowledge in your field. 

2. Find Events and Groups: Attend professional networking events, conferences, career fairs, and industry groups to meet professionals with similar interests. 

3. Use Social Media: Platforms like LinkedIn are great tools for connecting with other professionals, sharing ideas, and expanding your global network. 

4. Be Proactive: Initiate conversations, build authentic relationships, and show genuine interest in other professionals you meet. 

5. Offer Help: Look for opportunities to help people in your network. Generosity and mutual assistance are often rewarded. 

6. Stay in Touch: After making an initial connection, maintain contact with your contacts by sharing relevant articles, congratulating career successes, or sending an occasional message to check in. 

7. Seek a Mentor: Identify accomplished people in your field and ask them to be your mentor. A mentor can offer valuable advice and open important doors. 

8. Share your Knowledge: Organize presentations, write articles, offer training or lead workshops. This will strengthen your reputation as an expert in your field. 

9. Maintain Authentic Relationships: Make your interactions authentic. Show yourself to be honest, reliable and respectful. 

Ultimately, building and developing an effective professional network takes time and requires ongoing effort. A strong network can open doors, provide valuable support, and help you achieve your professional goals.