1. Transpersonal Psychologist – Resolve internal conflicts by integrating emotions, spirituality, and the physical and emotional senses. Therapists guide patients and help them to discover who they are and help them achieve all their goals and become the person they strive to be. Therapists fuse Eastern and Western philosophies with indigenous spirituality.
2. School Psychologist – Assist students with learning issues and help them to succeed in school. The psychologist can also help students with any emotional problems, conflicts with other students, or issues with teachers to make them more confident and comfortable at school.
3. Forensic Psychologist – The psychologists work with law enforcement agencies, and analyze evidence from crime investigations. They sometimes work on lawsuits or investigations for insurance claims. Some of them work in family courts and investigate cases of child neglect or abuse. They also assist in custody cases involving children. Using your Psy.D degree to enter the forensic field will allow you to work hand in hand with law enforcement officials on a regular basis. This area of study has been made popular through modern television and film
4. Health Psychologist – These psychologists focus on the relationship between physical health and mental conditions, working to improve them both simultaneously. They often work in long-term care facilities with geriatric patients.
5. Social Psychologist – A social psychologist works to understand the different social aspects of how people think and act in certain situations.  They may deal with issues of racism, anxiety or stress, and other factors, and help people to resolve personal issues in a non-confrontational manner.
6. Child Psychologist – They use techniques designed to help children overcome obstacles that are keeping them from being confident, well-rounded individuals who can function easily in everday situations. Children are taught to adjust to various situations without undue stress or anxiety.
7. Cognitive Neuroscientist – Study the biochemical processes, physiology, and anatomy of the brain. They investigate how the cognitive processes of the mind work during various states of consciousness, including sleep.
8. Developmental Psychologist – Focusing on one stage of human life, whether it’s infancy, childhood, adolescence, or various stages of adulthood, can teach how and why people change. They may work for a children’s museum or in a health setting intervening with premature infants. Endless possibilities exist in this field.
9. Social Gerontologist – Social workers who are trained in the needs of older adults can work as advocates for older people. They assist health care professionals by assessing the strengths and limitations of older people, and can assist them with financial issues and community resources.
10. Spiritual Counselor – Becoming a spiritual counselor will allow you to use psychological skills to help people who are having issues with faith and can’t deal with the problem alone. It may be due to a life transition such as a divorce or death, and the spiritual counselor can use techniques to help you overcome the problem.
11. Child Abuse Counselor – children who have been abused can often only relate to a highly skilled professional who can help them to overcome their fear and anger issues. This is the top field for psychologists, and you’ll reap great rewards when you can help a child through the trauma of abuse.
12. Geriatric Psychologist – Geriatric psychologists work closely with elderly patients, usually in a long-term care nursing facility or in a hospital. They can assist patients with day to day issues, but can assist those who are facing mental problems in a non-threatening way.
13. Sports Psychologist – this professional helps athletes when they’ve suffered an injury and are having difficulties dealing with motivation and the pain of an injury. Sports psychologists can work in schools or colleges, within the community, or for professional sports teams.
14. Engineering Psychologist – Understanding the way that people interact with technology, machines, and new innovations is a high paying position that your psychology degree could land you.  You’ll work to help the overall design of new products, helping shape everything from new cars to new consumer electronic products.
15. Military Psychologist – Treating military personnel who’ve suffered trauma in combat situations, physical disabilities as a result of military service, and helping family members to cope with emotional trauma or death of a spouse or parent are all ways in which treatment and intervention can assist military families.

 References:

• http://www.allpsychologycareers.com/psychology-careers.html
• http://psychology.about.com/od/careersinpsychology/tp/psychology-career-trends.htm